American Library Association. Division of Cataloging and Classification, Library of Congress. Descriptive Cataloging Division, American Library Association. Division of Cataloging and Classification. A.L.A. cataloging rules for author and title entries., & Library of Congress. Descriptive Cataloging Division. Rules for descriptive cataloging in the Library of Congress. (1959). Cataloging rules of the American Library Association and the Library of Congress: Additions and changes, 1949-1958. Library of Congress.
MLA CitationAmerican Library Association. Division of Cataloging and Classification, et al. Cataloging Rules of the American Library Association and the Library of Congress: Additions and Changes, 1949-1958. Library of Congress, 1959.