Rules for descriptive cataloging in the Library of Congress.

Accompanied by "Supplement. 1949-51." (19 p. 26 cm.) Published: Washington, 1952.

United States author headings including those adopted by the Library of Congress as appearing in the Union catalog.

Mode of access: Internet.

A guide to manuscripts relating to American history in British depositories : reproduced for the Division of Manuscripts of the Library of Congress /

Mode of access: Internet.

The National union catalog, pre-1956 imprints ; a cumulative author list representing Library of Congress printed cards and titles reported by other American libraries /

Vols. 686-754 comprise a supplement.

Report of the Librarian of Congress and Report of the Superintendent of the Library Building and Grounds for the fiscal year ending June 30 ...

Mode of access: Internet.

Environmental science centers at institutions of higher education; a survey prepared for the Subcommittee on Science, Research, and Development of the Committee on Science and Astronautics, U.S. House of Representatives, Ninety-first Congress, first session.

"Series H."

Genetic engineering, evolution of a technological issue : supplemental report I : report /

"Serial BB."

Annual report of the Librarian of Congress.

Report covers fiscal year 1977.

Annual report of the Librarian of Congress for the fiscal year ...

Some reports issued in the Congressional series.

Classification.

Issued in separate vols. by classification, A through Z.

Three hundred notable books added to the Library of the British Museum under the keepership of Richard Garnett 1890-1899.

Includes index.

Librarians of Congress, 1802-1974.

Mode of access: Internet.

Annual report of the Librarian of Congress for the fiscal year ended ...

Title varies slightly.