Human fertility and population problems :  proceedings of the seminar sponsored by the American Academy of Arts and Sciences / 
edited by Roy O. Greep 
 - Cambridge, Mass. :  Schenkman Pub.,  1963 
 - 278 p. ;  21 cm. 
<br/><br/><label>ISBN: </label> USD 7.45 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population--Congresses<br/>Fertility, Human--Congresses<br/>Birth control--Congresses
<br/><br/><label>Dewey Class. No.: </label>301.32