Weiss, Abraham, 1913- Union security provisions in collective bargaining - Washington, U.S. Govt. Print. Off. [1947] - 53 p. 23 cm. - United States. Bureau of Labor Statistics. Bulletin ; no. 908. . LCCN: l 47000119 Subjects--Topical Terms: Labor contract--United States.Open and closed shop. LC Class. No.: HD8051 / .A62 no. 908