- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1938.
- Publication date
- 01/01/1938
- Field of study
No full textno.45
- Publication venue
- Washington :[U.S. Govt. Print. Off.],1941
- Publication date
- 01/01/1941
- Field of study
No full textno.45
- Publication venue
- Washington, D.C. :U.S. Dept. of Agriculture,1935.
- Publication date
- Field of study
No full textno.36
