Kolbe, Helen K. <br/><br/>
Population :  fertility control thesaurus / 
Helen K. Kolbe & Rita F. Bergman 
 - Washington, D.C. :  George Washington University ;  1976 
 - xii, 243p.:  ill.;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Fertility<br/>Population
<br/><br/><label>Dewey Class. No.: </label>312  / KOL