History of labour in the United States
Commons, John Rogers, 1862-1945; Saposs, David J. (David Joseph), 1886-1968; Sumner, Helen L. (Helen Laura), 1876-1933; Mittelman, E. B. (Edward Becker), b. 1889; Hoagland, Henry Elmer, 1886-; Andrews, John B. (John Bertram), 1880-1943; Perlman, Selig, 1888-; Lescohier, Don D. (Don Divance), 1883-1961; Brandeis, Elizabeth; Taft, Philip, 1902-