Columbia subject headings:
Classification, Library of Congress--Evaluation.
Classification--Books--Minorities.
Delta Collection (Library of Congress)--History.
Information organization--Philosophy.
Social sciences--Terminology.
Subject cataloging--Social aspects--United States.
Subject headings, Library of Congress--Evaluation.
Subject headings--Sexual minorities.
Harvard subject headings:
Cataloging--Government policy--United States.
Classification, Library of Congress
Classification, Library of Congress--Evaluation.
Classification--Books--Minorities
Delta Collection (Library of Congress)--History.
Information organization--Philosophy.
Library of Congress
Library science--Moral and ethical aspects
Social sciences--Terminology
Subject cataloging--Social aspects--United States.
Subject headings, Library of Congress
Subject headings, Library of Congress--Evaluation.
Subject headings--Sexual minorities
Princeton subject headings:
Classification, Library of Congress--Evaluation.
Classification--Books--Minorities.
Delta Collection (Library of Congress)--History.
Information organization--Philosophy.
Social sciences--Terminology.
Subject cataloging--Social aspects--United States.
Subject headings, Library of Congress--Evaluation.
Subject headings--Sexual minorities.