Author
Title
Donation
author
h
hopkins-cyril-g-cyril-george
Hopkins, Cyril G. (Cyril George)
1866-1919
Books
The Farm That Won't Wear Out
Nitrogen Bacteria and Legumes With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils
The Story of the Soil; from the Basis of Absolute Science and Real Life