Climatic cycles and human populations in the Great plains
By: by Dr. Frederic E. Clements ...
Publisher: Carnegie institution of Washington
Published: 1938
Place of publication: Washington, D.C
Language: eng
Number of pages: 19
Subjects: Climatology.; United States -- Population.
Notes: "Reprinted from the Scientific monthly, September, 1938, vol. 47, no. 3, p. 193-210."

"References": p. 18-19.