Participants: Hanna, G. C. [ VerfasserIn ]
Published: 1935
Superior document: Circular / California Agricultural Extension Service 91

Participants: Jones, H. A. [ VerfasserIn ]; Hanna, G. C. [ VerfasserIn ]; Hanna, G. C. [ VerfasserIn ]
Published: 1940
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 633