- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1916.
- Publication date
- 01/01/1916
- Field of study
no.411 (1916
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1926.
- Publication date
- 01/01/1926
- Field of study
no.1432 (1926
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1926.
- Publication date
- Field of study
"September, 1926."Caption title.Mode of access: Internet
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1921.
- Publication date
- 01/01/1921
- Field of study
no.968 (1921