Duncan, William G. <br/><br/>
The nature and content of fertility surveys conducted throughout the world since 1960 / 
prepared by William G. Duncan. 
 - The Hague :   N.V. Drukkerij Trio,   1973. 
 - 32 p. :   ill., tabs. ;   24 cm. 
 - Occassional paper /   no. 1 .
<br/><br/>  Title on cover age: "Fertility and related surveys"   "October 1973" 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Fertility, Human.<br/> Birth control.
<br/><br/><label>Dewey Class. No.: </label>304.632 DUN