Willigan J Dennis <br/><br/>
Sources and methods of historical demography 
Willigan J Dennis; Lynch Katherine A 
 - New York  Academic Press          1962 
 - xv,505p  cm. 
 - Stuides in Discontinuity .
<br/><br/> Bibliography chapterwise & P: 447-486 
<br/><br/><label>ISBN: </label>0127570209 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family Planning
<br/><br/><label>Dewey Class. No.: </label>Y:5:(B), M2