Library of Congress Subject Headings (LCSH)
The LCSH was developed and is maintained by the U.S. Library of Congress, for the collections of the Library. LCSH, as a controlled vocabulary used for indexing, cataloging, and searching for bibliographic records in library catalogs and electronic databases, has become a de facto standard for libraries who use cataloging records disseminated by the Library of Congress, or who catalog to the standards set collaboratively by the Library of Congress and the library community.
The Library Catalog includes records for books, journals, newspapers, government documents, microforms, DVDs, and audio recordings that are held in the library. The standard catalog does not include journal articles; use OneSource to search books and databases together. Remember: not all databases are included. Our A-Z list of databases and our Journal Finder can help you find more sources.
What Are Subject Terms?
A subject term is a standardized word or phrase that describes a main idea in the book or article. When an item is added to a database, the database will assign subject terms to it from the database's list of subjects. Most entries will have from 3 to 12 subject terms assigned.
To help you find relevant keywords for your research, you can often start with an author or keyword search. Then look at the subjects for the items that most closely match what you are looking for. You can use those subjects to search for more precise results.
Selected Library Resources to find books:
Tip: Use a keyword search instead of a whole question. Then narrow down the results with the filters on the side.
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