LaMar, E., & Hardman, J. B. S. 1. (1940). The clothing workers in Philadelphia: History of their struggles for union and security. [Philadelphia]: Philadelphia joint board, Amalgamated clothing workers of America.

LaMar, Elden., and J. B. S. 1882-1968 Hardman. The Clothing Workers in Philadelphia: History of Their Struggles for Union and Security. [Philadelphia]: Philadelphia joint board, Amalgamated clothing workers of America, 1940.

LaMar, Elden., and J. B. S. 1882-1968 Hardman. The Clothing Workers in Philadelphia: History of Their Struggles for Union and Security. [Philadelphia]: Philadelphia joint board, Amalgamated clothing workers of America, 1940.