Friis, Herman Ralph,  1905- <br/><br/>
A series of population maps of the colonies and the United State s, 1625-1790 / 
by Herman R. Friis. 
 - New York :  American Geographical Society,  1940. 
 - 2 p. I, 46 p. :  maps (1 fold.), diagrs. ;  28 cm. 
 - American Geographical Society. Mimeographed publication;  no.3 .
<br/><br/> "Presented in brief before the Association of American geographers, Cambridge, Mass, December 27, 1938." p. 24. 
<br/><br/>Includes bibliographical references (p. 24-46). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States--Population.
<br/><br/><label>Dewey Class. No.: </label>312.9