Troy L <br/><br/>
Trade union membership, 1897-1962 

 - New York  National Bereau of Economic Research       1965 
 - 65p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade Unions
<br/><br/><label>Dewey Class. No.: </label>X:97D.73.N2<--M97, K4