Seligman, Edwin R. A. (Ed.) <br/><br/>
Encyclopaedia of the Social Sciences Volumes 15: Tra - Zwi, Index. 

 - New York:  The Macmillan Company,  1957. 
 -  Hard Cover 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>Q121  / .E33 1957