Simmel, Georg  (1858-1918) <br/><br/>
Sociology :  inquiries into the construction of social forms / 
by Georg Simmel ; translated and edited by Anthony J. Blasi, Anton K. Jacobs, Mathew Kanjirathinkal ; with an introduction by Horst J. Helle 
 - Leiden :  Brill,  2009 
 - 2 vol. (362, 692) 
<br/><br/><label>ISBN: </label>978-90-04-17458-0 978-90-04-17459-7 978-90-04-17321-7 (ensemble)