Calhoun, Daniel Hovey. <br/><br/>
The intelligence of a people / 
by Daniel Calhoun. 
 - Princeton, N.J. :  Princeton University Press,  1973. 
 - xix, 408 p. :  ill.,  23 cm. 
<br/><br/>Bibliography: p. 353-389. 
<br/><br/><label>ISBN: </label>0691046190 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence levels--New York (State)<br/>Cognition in children.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>New York (State)--Social conditions.