Frutchey, Fred P., Earle H. Nodine, and George E. Erickson. (1941) 1941. “Evaluation in the 4-H Vegetable Garden Project, Massachusetts, 1939”. Extension Service Circular.
Earle H. Nodine
Nodine, Earle H. 1935. “A History of 4-H Club Work in the United States”. Springfield College, Springfield Mass.