1.

雑誌
雑誌
1. Yearbook
United States Department of Agriculture
出版情報: Washington : G.P.O., 1921-1923
巻次(年次): 1920 (1920)-1922 (1922)
2.

雑誌
雑誌
2. Yearbook of the United States Department of Agriculture
United States. Dept. of Agriculture
出版情報: Washington : G.P.O., 1895-1920
巻次(年次): 1894 (1894)-1919 (1919)
3.

雑誌
雑誌
3. Agriculture yearbook
United States Department of Agriculture
出版情報: Washington : G.P.O., 1924-1926
巻次(年次): 1923 (1923)-1925 (1925)