- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1923.
- Publication date
- 01/01/1923
- Field of study
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1920.
- Publication date
- 01/01/1920
- Field of study
no.839 (1920
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1922.
- Publication date
- 01/01/1922
- Field of study
no.839 (1922
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1923.
- Publication date
- 01/01/1923
- Field of study
no.795 (1923
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1919.
- Publication date
- 01/01/1919
- Field of study
no.795 (1919
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1926.
- Publication date
- 01/01/1926
- Field of study
no.824 (1926
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1920.
- Publication date
- 01/01/1920
- Field of study
no.824 (1920