chronological and seasonal distribution of floods and droughts in Chinese history
Subtitle: 206 B.C.-A.D. 1911 ...
By: [by] Shan-yu Yao ...
Published: 1942
Place of publication: Philadelphia
Language: eng
Number of pages: 312
Subjects: Floods; Droughts
Notes: Essential portion of thesis (Ph.D.) - University of Pennsylvania, 1941.

"Reprint from Harvardjournal of Asiatic studies, volume 7."