Population evolution and birth control :  a collage of controversial ideas / 
assembled by Garrett Hardin. 
 - 2nd ed. 
 - San Francisco :  Freeman,  c1969. 
 - xvi, 386 p. 
 - A series of books in biology .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population policy--Economic aspects.<br/>Population--Social aspects.<br/>Birth control.