... A series of population maps of the colonies and the United State s, 1625-1790 - Friis, Herman Ralph, 1905- (New York : American Geographical Society, 1940)
"Presented in brief before the Association of American geographers, Cambridge, Mass, December 27, 1938." p. 24.
Includes bibliographical references (p. 24-46).
Keywords: United States -- Population