Vetch culture and uses
[by P. R. Henson and H. A. Schotch [i.e. Schoth]
- Rev.
- Washington, U.S. Govt. Print. Off., 1968]
- ii, 22 p. illus. 24 cm.
- United States. Dept. of Agriculture. Farmers' bulletin no. 1740 .
- Farmers' bulletin (United States. Department of Agriculture) ; no. 1740. .