TY  - BOOK
AU  - Friis, Herman Ralph,
TI  - ... A series of population maps of the colonies and the United State s, 1625-1790
U1  - 312.9 
PY  - 1940///
CY  - New York
PB  - American Geographical Society
KW  - United States
KW  - Population
N1  - "Presented in brief before the Association of American geographers, Cambridge, Mass, December 27, 1938." p. 24; Includes bibliographical references (p. 24-46)
ER  -