Beal, Edwin Fletcher. The practice of collective bargaining / [by] Edwin F. Beal, Edwar d D. Wickersham [and] Philip Kienast. - 4th ed. - Homewood, Ill. : R. D. Irwin, 1972. - xv, 792 p. : ill. ; 24 cm. - The Irwin series in economics . Includes bibliographical references Subjects--Topical Terms: Collective bargaining--United States. Dewey Class. No.: 331.116