Can Library of Congress Subject Headings (LCSH) be accessed online?
There are several ways to access and search Library of Congress Subject Headings online. First, LCSH are freely accessible through the Library of Congress Authorities and Vocabularies service. LCSH in this service includes all Library of Congress Subject Headings, free-floating subdivisions (topical and form), Genre/Form headings, Children’s (AC) headings, and validation strings for which authority records have been created. The content includes a few name headings (personal and corporate), such as William Shakespeare, Jesus Christ, and Harvard University; and geographic headings that are added to LCSH as they are needed to establish subdivisions, provide a pattern for subdivision practice, or provide reference structure for other terms. This content is expanded beyond “the big red books” (the paper issue of LCSH) with inclusion of validation strings. The Library of Congress Authorities and Vocabularies service allows users to conduct a “keyword in heading” search for subject headings,
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