C. Colby

Ellen Churchill Semple

C. Colby, 1933 .

Centrifugal and Centripetal Forces in Urban Geography

C. Colby, 1933 .

German Strategy of World Conquest.

R. Hartshorne, D. Whittlesey, C. Colby, 1944 .

Changing Currents of Geographic Thought in America

C. Colby, 1936 .

Source book for the economic geography of North America

C. Colby, 1922 .

Economic geography : industries and resources of the commercial world

C. Colby, A. Foster, 1940 .

NERMLS: The first year.

T M Hodges, H Bloomquist, C C Colby, 1969, Bulletin of the Medical Library Association.