Simon, Julian. <br/><br/>
The effect of income on fertility / 
J. Simon 
 - North Carolina :   Carolina Population Centre,   1974 
 - xxv, 210 p. ;   23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Fertility, Human<br/> Income
<br/><br/><label>Dewey Class. No.: </label>304.6