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Latin curriculum

A Latin path for pronunciation, grammar, cases, verb systems, sentence parsing, and early classical reading with embedded video support.

Introductory Latin / classical language foundations

Latin curriculum

A Latin path for pronunciation, grammar, cases, verb systems, sentence parsing, and early classical reading with embedded video support.

Pacing
8 units, 20-30 weeks self-paced
Units
8 unit sequence
Practice
640 checked answers
Support
Self-paced or tutor-guided
Outcomes
  • Read simple Latin sentences by identifying case, verb, and agreement signals.
  • Use Latin grammar to strengthen English vocabulary and sentence analysis.
  • Move from isolated forms into adapted classical passages with a real annotation habit.
Course command center

Know what to study, what to repair, and where to jump next

This track is organized as a mastery loop: source study, sequenced checks, Khan report evidence, then tutor handoff only when the data shows a real stuck point.

8
Units
640
Checks
80-80/unit
Range
Mastery loop
  1. 01Study

    Use linked OER and companion sources before attempting checks.

  2. 02Practice

    Move through numbered PeerTutor problems without skipping failed gates.

  3. 03Mirror

    Enter Khan report evidence and let the adaptive plan rank repair units.

  4. 04Handoff

    Bring exact misses, notes, and one sharp question to a tutor.

Practice architecture

The bank is intentionally mixed across facets and difficulty so high scores cannot come from one narrow question style.

Facets
Concept112
Fluency32
Application130
Analysis96
Exam Readiness86
Metacognition184
Difficulty
Foundation208
Developing112
Proficient176
Advanced144

Video companion links

Use these linked courses for video instruction and mastery practice, then return here for PeerTutor original checks and tutor help on the exact unit that got stuck.

External video content is linked or embedded through provider-hosted players, not copied. PeerTutor practice is original and cites each source path separately.

Provider-hosted video

Embedded video companion

Watch the strongest public video path inside PeerTutor, then use the unit checks below to prove the student can actually do the work.

2 embeds
Latin video companion

Beginner Latin video playlist

Use as a starter playlist for pronunciation, basic grammar, and early sentence parsing.

latingrammarbeginnerOpen on YouTube
LatinTutorial

LatinTutorial AP Latin and Aeneid playlist

Use for grammar refreshers and classical-reading support once the basics are stable.

latinclassicsreadingOpen on YouTube
Khan progress mirror

Mirror outside mastery into PeerTutor practice

Khan Academy progress has to be entered from the student or tutor report. Khan does not provide a supported public progress API, so this mirror stores unit status locally and uses it to target PeerTutor checks.

0%
Avg
0
Mastered
8
Review
Khan report mirror

Khan Academy does not provide a supported public progress API or external API keys. PeerTutor stores student-provided report evidence and maps it to original practice instead.

Adaptive study plan

Practice Pronunciation, alphabet, and study habits next

0 repair units and 5 practice units need attention before extension.

Unit 1practicePronunciation, alphabet, and study habits

No Khan mirror data yet; this is a normal practice candidate, not a proven weakness.

Complete 12 sequenced checks and advance only after misses are corrected.

Khan 0%80 PeerTutor checks
Unit 2practiceLatin cases and sentence roles

No Khan mirror data yet; this is a normal practice candidate, not a proven weakness.

Complete 12 sequenced checks and advance only after misses are corrected.

Khan 0%80 PeerTutor checks
Unit 3practiceFirst and second declension nouns

No Khan mirror data yet; this is a normal practice candidate, not a proven weakness.

Complete 12 sequenced checks and advance only after misses are corrected.

Khan 0%80 PeerTutor checks
Unit 4practicePresent-system verbs and infinitives

No Khan mirror data yet; this is a normal practice candidate, not a proven weakness.

Complete 12 sequenced checks and advance only after misses are corrected.

Khan 0%80 PeerTutor checks
Unit 5practiceAdjectives, agreement, and pronouns

No Khan mirror data yet; this is a normal practice candidate, not a proven weakness.

Complete 12 sequenced checks and advance only after misses are corrected.

Khan 0%80 PeerTutor checks
Unit 1Pronunciation, alphabet, and study habitsRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "Pronunciation, alphabet, and study habits", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Pronounce classical Latin vowels, consonants, and stress patterns. · Use dictionary entries, principal parts, and a form notebook.
Unit 2Latin cases and sentence rolesRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "Latin cases and sentence roles", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Identify nominative, genitive, dative, accusative, ablative, and vocative roles. · Separate English word order from Latin grammar signals.
Unit 3First and second declension nounsRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "First and second declension nouns", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Decline common first- and second-declension nouns. · Use gender, number, and case endings to determine sentence function.
Unit 4Present-system verbs and infinitivesRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "Present-system verbs and infinitives", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Use present, imperfect, and future active verb forms. · Recognize infinitives and complementary infinitive constructions.
Unit 5Adjectives, agreement, and pronounsRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "Adjectives, agreement, and pronouns", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Match adjectives to nouns in case, number, and gender. · Use personal, demonstrative, and relative pronouns in context.
Unit 6Prepositions, modifiers, and word orderRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "Prepositions, modifiers, and word order", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Use common prepositions with accusative and ablative objects. · Read flexible Latin word order through endings and phrase grouping.
Unit 7Reading adapted LatinRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "Reading adapted Latin", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Translate with context, syntax, and morphology instead of word-for-word guessing. · Use notes and dictionary entries without losing the sentence structure.
Unit 8Classical reading capstoneRepair before advancing

Rebuild the unit: do 12 PeerTutor checks, log every miss, then ask a tutor from the error log.

Khan evidence to mirror: percent/mastery for "Classical reading capstone", missed skill, last activity date, and the next Khan item assigned by the teacher report.

Mapped skills: Read a short classical excerpt with support from notes and commentary. · Explain grammar choices, not just the final English translation.
Loading saved mirror.

Unit sequence

Built for independent progress first, then tutor support where the student gets stuck.

  1. 01

    Pronunciation, alphabet, and study habits

    • Pronounce classical Latin vowels, consonants, and stress patterns.
    • Use dictionary entries, principal parts, and a form notebook.

    Practice: Read a short Latin line aloud, mark long vowels where provided, and explain the study system you will use.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Pronounce classical Latin vowels, consonants, and stress patterns.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Read a short Latin line aloud, mark long vowels where provided, and explain the study system you will use.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Use dictionary entries, principal parts, and a form notebook.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/15
    Fluency0/4
    Application0/17
    Analysis0/12
    Exam Readiness0/9
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "hello".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessConceptfoundation

    Which target best matches the Latin unit "Pronunciation, alphabet, and study habits"?

    #4Practice artifactApplicationfoundation

    Which practice artifact should you produce for "Pronunciation, alphabet, and study habits" before asking a tutor for help?

    #5Unit targetConceptfoundation

    Which target best proves readiness for "Pronunciation, alphabet, and study habits"?

    #6Second targetConceptfoundation

    Which second target belongs to "Pronunciation, alphabet, and study habits"?

  2. 02

    Latin cases and sentence roles

    • Identify nominative, genitive, dative, accusative, ablative, and vocative roles.
    • Separate English word order from Latin grammar signals.

    Practice: Parse ten short sentences by case function before translating them.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Identify nominative, genitive, dative, accusative, ablative, and vocative roles.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Parse ten short sentences by case function before translating them.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Separate English word order from Latin grammar signals.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/15
    Fluency0/4
    Application0/17
    Analysis0/12
    Exam Readiness0/9
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "thank you".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessConceptfoundation

    Which target best matches the Latin unit "Latin cases and sentence roles"?

    #4Practice artifactApplicationfoundation

    Which practice artifact should you produce for "Latin cases and sentence roles" before asking a tutor for help?

    #5Unit targetConceptfoundation

    Which target best proves readiness for "Latin cases and sentence roles"?

    #6Second targetConceptfoundation

    Which second target belongs to "Latin cases and sentence roles"?

  3. 03

    First and second declension nouns

    • Decline common first- and second-declension nouns.
    • Use gender, number, and case endings to determine sentence function.

    Practice: Build a declension chart, then translate a sentence set without relying on word order.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Decline common first- and second-declension nouns.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Build a declension chart, then translate a sentence set without relying on word order.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Use gender, number, and case endings to determine sentence function.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/15
    Fluency0/4
    Application0/17
    Analysis0/12
    Exam Readiness0/9
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "person".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessConceptfoundation

    Which target best matches the Latin unit "First and second declension nouns"?

    #4Practice artifactApplicationfoundation

    Which practice artifact should you produce for "First and second declension nouns" before asking a tutor for help?

    #5Unit targetConceptfoundation

    Which target best proves readiness for "First and second declension nouns"?

    #6Second targetConceptfoundation

    Which second target belongs to "First and second declension nouns"?

  4. 04

    Present-system verbs and infinitives

    • Use present, imperfect, and future active verb forms.
    • Recognize infinitives and complementary infinitive constructions.

    Practice: Conjugate a verb across persons, then explain how the verb controls the sentence.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Use present, imperfect, and future active verb forms.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Conjugate a verb across persons, then explain how the verb controls the sentence.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Recognize infinitives and complementary infinitive constructions.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/15
    Fluency0/4
    Application0/17
    Analysis0/12
    Exam Readiness0/9
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "today".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessConceptfoundation

    Which target best matches the Latin unit "Present-system verbs and infinitives"?

    #4Practice artifactApplicationfoundation

    Which practice artifact should you produce for "Present-system verbs and infinitives" before asking a tutor for help?

    #5Unit targetConceptfoundation

    Which target best proves readiness for "Present-system verbs and infinitives"?

    #6Second targetConceptfoundation

    Which second target belongs to "Present-system verbs and infinitives"?

  5. 05

    Adjectives, agreement, and pronouns

    • Match adjectives to nouns in case, number, and gender.
    • Use personal, demonstrative, and relative pronouns in context.

    Practice: Annotate every agreement relationship in a short adapted passage.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Match adjectives to nouns in case, number, and gender.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Annotate every agreement relationship in a short adapted passage.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Use personal, demonstrative, and relative pronouns in context.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/15
    Fluency0/4
    Application0/17
    Analysis0/12
    Exam Readiness0/9
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "listen".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessConceptfoundation

    Which target best matches the Latin unit "Adjectives, agreement, and pronouns"?

    #4Practice artifactApplicationfoundation

    Which practice artifact should you produce for "Adjectives, agreement, and pronouns" before asking a tutor for help?

    #5Unit targetConceptfoundation

    Which target best proves readiness for "Adjectives, agreement, and pronouns"?

    #6Second targetConceptfoundation

    Which second target belongs to "Adjectives, agreement, and pronouns"?

  6. 06

    Prepositions, modifiers, and word order

    • Use common prepositions with accusative and ablative objects.
    • Read flexible Latin word order through endings and phrase grouping.

    Practice: Chunk a paragraph into phrases and justify each attachment decision.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Use common prepositions with accusative and ablative objects.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Chunk a paragraph into phrases and justify each attachment decision.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Read flexible Latin word order through endings and phrase grouping.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/15
    Fluency0/4
    Application0/17
    Analysis0/12
    Exam Readiness0/9
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "speak".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessConceptfoundation

    Which target best matches the Latin unit "Prepositions, modifiers, and word order"?

    #4Practice artifactApplicationfoundation

    Which practice artifact should you produce for "Prepositions, modifiers, and word order" before asking a tutor for help?

    #5Unit targetConceptfoundation

    Which target best proves readiness for "Prepositions, modifiers, and word order"?

    #6Second targetConceptfoundation

    Which second target belongs to "Prepositions, modifiers, and word order"?

  7. 07

    Reading adapted Latin

    • Translate with context, syntax, and morphology instead of word-for-word guessing.
    • Use notes and dictionary entries without losing the sentence structure.

    Practice: Produce a clean translation plus a literal grammar map for one adapted passage.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Translate with context, syntax, and morphology instead of word-for-word guessing.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Produce a clean translation plus a literal grammar map for one adapted passage.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Use notes and dictionary entries without losing the sentence structure.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/11
    Fluency0/4
    Application0/14
    Analysis0/12
    Exam Readiness0/16
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "goodbye".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessExam Readinessfoundation

    Which target best matches the Latin unit "Reading adapted Latin"?

    #4Practice artifactExam Readinessfoundation

    Which practice artifact should you produce for "Reading adapted Latin" before asking a tutor for help?

    #5Unit targetExam Readinessfoundation

    Which target best proves readiness for "Reading adapted Latin"?

    #6Second targetExam Readinessfoundation

    Which second target belongs to "Reading adapted Latin"?

  8. 08

    Classical reading capstone

    • Read a short classical excerpt with support from notes and commentary.
    • Explain grammar choices, not just the final English translation.

    Practice: Prepare a tutor-ready reading portfolio with vocabulary, parsing, translation, and three unresolved questions.

    Unit work plan
    1. 1
      Source study

      Start with Getting started on classical Latin and LatinTutorial videos. Take notes until you can explain: Read a short classical excerpt with support from notes and commentary.

    2. 2
      Foundation gate

      Do the first sequenced checks until the definitions, vocabulary, and setup are correct without hints.

    3. 3
      Transfer gate

      Produce the assignment artifact, then pass the application and analysis checks tied to: Prepare a tutor-ready reading portfolio with vocabulary, parsing, translation, and three unresolved questions.

    4. 4
      Repair loop

      Any miss becomes an error-log entry, a clean redo, and one nearby transfer problem before advancing.

    5. 5
      Tutor handoff

      Bring your attempted work, the exact missed check, and one question about: Explain grammar choices, not just the final English translation.

    Sequenced original practice checks

    Move in order: foundation, transfer, analysis, timed readiness, then metacognitive repair.

    6 shown / 80 checked answers
    Exercise path
    Foundation: 26Developing: 14Proficient: 22Advanced: 18

    Start the next sequenced check: #1 Core vocabulary. Do not jump ahead until this one is correct.

    Learning analysis
    0/80
    Tried
    0
    Correct
    0%
    Mastery

    Weakest facet: Concept

    Concept0/11
    Fluency0/4
    Application0/14
    Analysis0/12
    Exam Readiness0/16
    Metacognition0/23
    #1Core vocabularyConceptfoundationNext

    Type the Latin word or phrase for "hello".

    #2Communication repairConceptfoundation

    What should a learner do when a word is missing in conversation?

    #3Unit readinessExam Readinessfoundation

    Which target best matches the Latin unit "Classical reading capstone"?

    #4Practice artifactExam Readinessfoundation

    Which practice artifact should you produce for "Classical reading capstone" before asking a tutor for help?

    #5Unit targetExam Readinessfoundation

    Which target best proves readiness for "Classical reading capstone"?

    #6Second targetExam Readinessfoundation

    Which second target belongs to "Classical reading capstone"?

Source library

These are source links, not scraped course copies. Licenses differ, so the label tells students how each source is used.

View the full citation index