Troy Leo <br/><br/>
Dsitrubution of union membership among the states 

 -  NBER Inc.           1957 
 - 32p  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.N5, J7