A bibliography of bibliographies of trade unions /
Compiled by Helen F. Conover under the direction of Florence S. Hellman, acting chief bibliographer.
APA Citation
Library of Congress. Division of Bibliography., Conover, H. F. (Helen Field). (1937). A bibliography of bibliographies of trade unions. Washington.
MLA Citation
Library of Congress. Division of Bibliography, and Helen F. (Helen Field) Conover. A Bibliography of Bibliographies of Trade Unions. Washington, 1937.
Warning: These citations may not always be complete (especially for serials).