| 1 |
The growth of American trade unions, 1880-1923 / by Leo Wolman
New York : Arno Press , 1975, c1924
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| 2 |
The boycott in American trade unions / Leo Wolman
New York : Arno & New York Times , 1971
|
| 3 |
Ebb and flow in trade unionism
Ann Arbor : University Microfilms , 1936
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| 4 |
Ebb and flow in trade unionism / Leo Wolman
New York : National Bureau of Economic Research , 1936
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| 5 |
The growth of American trade unions, 1880-1923 / by Leo Wolman ; with a foreword by Wesley C. Mitchell
New York : National Bureau of Economic Research , 1924
|
| 6 |
The boycott in American trade unions / by Leo Wolman
Baltimore : John Hopkins Press , c1916
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