Reglas para la catalogación descriptiva en the Library of Congress

by Estados Unidos. Library of Congress.
Published 1953.

Calendar of correspondence of George Washington : : commander in chief of the continental army

by Estados Unidos. Library of Congress.
Published 1906-1915.

Manuscripts in public and private collections in the United States /

by Estados Unidos. Library of Congress.
Published 1924.

Folk music : : a catalog of folk song, ballads, dances, instrumental pieces, and folk tales of the United States and Latin America on phonograph records /

by Estados Unidos. Library of Congress.
Published 1964.