Estey, Marten S. The unions: structure, development, and management / Marten Estey. Under the general editorship of Leonard R. Sayles. - New York : Harcourt, Brace & World, 1967 - xi, 125 p. 23 cm. Bibliographical footnotes. Subjects--Topical Terms: Labor unions--United States. Dewey Class. No.: 331.880973 / ESU 1967