Formal sociology :  the sociology of George Simmel / 
edited by Larry Ray 
 - Hants, England :  Elgar Reference Collection,  1991 
 - xvi, 358 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>1852782986 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Germany--History<br/>Sociology--Methodology--History<br/>Sociology--Philosophy--History