The progress of labor in the United States
Subtitle: by Sigmund Uminsky
Publisher: House of Field
Published: 1939
Place of publication: New York
Language: eng
Number of pages: 254
Subjects: Working class; Labor unions
Notes: Microfilm. New York, N.Y., Columbia University Libraries, 1994. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1994.