Extension bulletin

- University of Delaware. School of Agriculture. Extension Service in Agriculture and Home Economics
- United States. Dept. of Agriculture

著者

- University of Delaware. School of Agriculture. Extension Service in Agriculture and Home Economics
- United States. Dept. of Agriculture

Extension bulletin

University of Delaware, Extension Service in Agriculture and Home Economics

タイトル別名: Extension bulletin of University of Delaware, Extension Service in Agriculture and Home Economics

Description based on: No. 9 (Oct. 1923)

Title from caption

"University of Delaware, the U.S. Department of Agriculture, cooperating."