Analysis of vocabulary control in Library of Congress classification and subject headings - Immroth, John Phillip (Littleton, Colo. Libraries Unlimited, 1971)
Cover title : Vocabulary control in L. C. classification
Thesis--University of Pittsburg
Keywords: United States. Library of Congress. Subject Cataloging Division. Subject headings used in the dictionary catalogs of the Library of Congress; Classification, Library of Congress; Chain indexing