Problems of population and parenthood    : being the 2nd report of a nd the chief evidence taken by the National Birth-rate Commission, 1918 -1920. 

 - London :    Chapman & Hall ,    1920. 
 - xlvi, 423 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Population
<br/><br/><label>National Library of Medicine Call No.: </label>COOK L   /  G798p 1920