- Allerton, Frank William (1)
- Duggar, Benjamin M. (Benjamin Minge), 1872-1956 (1)
- Gt. Brit. Ministr y of Agriculture, Fisheries and Food. (1)
- Knott, James Edward, 1897- (1)
- Marshall, Nina L. (Nina Lovering) (1)
- Shoemaker, James Sheldon, 1898- (1)
- Smith, Thomas (1)
- Stout, Gerald J. (Gerald John), 1901- (1)
- Thompson, Homer C. (Homer Columbus), 1885- (1)
- 上村, 昭二 (1)
- 国際農林業協力協会 (1)
- 篠原, 捨喜 (1)