Facts concerning United States department of agriculture exhibits. What they are and how they may be obtained
Published: 1929
Place of publication: Place of publication not identified]
Language: eng
Subjects: U.S. Cooperative Extension Service
Notes: With:---- Information concerning educational exhibits of the U.S. Dept. of agriculture ... Rev. to Feb. 15,1929; rev.to Jan. 15,1931(x form 115, 120) Rev.to Apr. 13, 1932.