- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Plant Industry,1911.
- Publication date
- 01/01/1911
- Field of study
no.8
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1942.
- Publication date
- 01/01/1942
- Field of study
no.40
- Publication venue
- Washington, D.C. :[s.n.],1923.
- Publication date
- 01/01/1923
- Field of study