Sayles, Leonard R. The local union [by] Leonard R. Sayles [and] George Strauss. - Rev. ed. - New York, Harcourt, Brace & World [1967] - ix, 174 p. illus. 23 cm. LCCN: 67017182 LC Class. No.: HD6508 .S33 1967 / .S33 1967 Dewey Class. No.: 331.88/0973