Greef, Guillaume de,  1842-1924 <br/><br/>
Les lois sociologiques  [electronic resource] / 
Guillaume de Greef 
 -  Project Gutenberg,  2006 
 - Project Gutenberg  17538 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Social psychology Sociological jurisprudence 
<br/><br/><label>LC Class. No.: </label>K