The helper and American trade unions
By: by John H. Ashworth ...
Series: Johns Hopkins University studies in historical and political science -- 33rd ser., 3
Publisher: The Johns Hopkins Press
Published: 1915
Place of publication: Baltimore
Language: eng
Number of pages: 134
Subjects: Labor unions
Notes: Published also as thesis (PH. D.) Johns Hopkins University, 1914.

Microfilm. New York, N.Y., Columbia University Libraries, 1999. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1999.