Koretz, Robert F. Labor organization. Editor: Robert F. Koretz. - New York Chelsea House Publishers [1970] - v, 846 p. 24 cm. - Statutory history of the United States. . LCCN: 77010294 Subjects--Topical Terms: Labor laws and legislation--United States. LC Class. No.: KF;3305;.8 / 1970 Dewey Class. No.: 340