Circular
Agricultural Extension Service, North Dakota Agricultural College
岡山大学 附属図書館 資源植物科学研究所分館植物研図1935-1944
128-131,134-168,173-174,182
OPAC
岐阜大学 図書館図1935-1938
128-131,134-143,145,147-168
Agricultural Extension Division North Dakota Agricultural College
Agricultural College, North Dakota 1918-
所蔵館3館
Agricultural Extension Division, North Dakota Agricultural College