Labor and Socialism in America: The Gompers Era. By William M. Dick. (New York: Kennikat Press, Inc., 1972. Pp. 211. $10.95.) - The Life and Times of Daniel De Leon. By Carl Reeve. (New York: Humanities Press, Inc., 1972. Pp. 193. $6.50.) - Victor Berger and the Promise of Constructive Socialism, 1910–1920. By Sally M. Miller, (Westport, Conn.: Greenwood Publishing Co., 1973. Pp. 275. $11.50.)