Douglas Mary <br/><br/>
In the active voice 

 - London  Routledge & Kegan Paul         1982 
 - xi, 306p  cm. 
<br/><br/> Bibiliogrpahy chapterwise 
<br/><br/><label>ISBN: </label>071009065X 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tribes
<br/><br/><label>Dewey Class. No.: </label>Y72:3(X), M2