The U.A.W. and Walter Reuther. By Irving Howe and B. J. Widick. New York: Random House, 1949. Pp. 319. $3.00.The Philadelphia Printing Industry: A Case Study. By John W. Seybold. [Industry Wide Collective Bargaining Series.] Philadelphia: University of Pennsylvania Press, 1949. Pp. 114. $1.50.Labor Relations in the New York Rapid Transit Systems, 1904–1944. By James J. McGinley. [St. Louis University, Institute of Social Science Study.] New York: King's Crown Press, 1949. Pp. 635. $6.50.The Firemen's and Patrolmen's Unions in the City of New York: A Case Study in Public Employee Unions. By Emma Schweppe. New York: King's Crown Press, 1948. Pp. xii, 395. $4.50.