Controlled Vocabulary

• Identifies a preferred way of expressing a concept

• Provides cross-references that lead to the preferred term

• Identifies a term’s relationship to broader, narrower, and related terms

Examples of Controlled Vocabularies

• Library of Congress Subject Headings

• Sears List of Subject Headings

• Medical Subject Headings (MeSH)

• Art & Architecture Thesaurus (AAT)

• Thesaurus of ERIC Descriptors