The organization of labor in Philadelphia 1850-1870 ...
[by] Edgar Barclay Cale.
APA Citation
Cale, E. Barclay. (1940). The organization of labor in Philadelphia 1850-1870 ... Philadelphia.
MLA Citation
Cale, Edgar Barclay, 1910-. The Organization of Labor In Philadelphia 1850-1870 ... Philadelphia, 1940.
Warning: These citations may not always be complete (especially for serials).