Burt Cyril <br/><br/>
Intelligence and feritility    the effect of the differential birth rate on inborn mental characteristics 

 - 2nd 
 -  1952 
 - Occasional papers on eugenics; 2 .
<br/><br/><label>Standard No.: </label>141,502 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y1:5:5G, J22