Rev. ed. - Washington, Library of Congress; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1973.
Book — iv, 700 p. 27 cm.
2480 organizations, government agencies, libraries, research institutes, and museums. Also covers education, recreation, and business activities. Alphabetical arrangement by names. Numbered entries include name, address, telephone number, publications, and information services. Cross references. Subject index with references to entry numbers. 1st ed., 1965.