Foreign plant diseases. A manual of economic plant diseases which are new to or not widely distributed in the United States.
Prepared by John A. Stevenson.
- Washington, Govt. Print. Off., 1926.
- viii, 198 p. 23 cm.
At head of title: U. S. Dept. of Agriculture. Office of the Secretary. Contribution from the Federal Horticultural Board ... in collaboration with the Bureau of Plant Industry ...