Friedman J Ed. <br/><br/>
Evolution of social systems 
Friedman J Ed.; Rowlands M J Ed. 
 - Great  Britain Duckworth          1977 
 - xv, 562p.  cm. 
<br/><br/><label>Standard No.: </label>35181 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Human ecology<br/>Anthropology
<br/><br/><label>Dewey Class. No.: </label>Y7:96, L7