1
Published: 1949
Superior document: Circular / California Agricultural Extension Service, University of California, The College of Agriculture 150
2
Published: 1954
Superior document: Circular / California Agricultural Experiment Station ; California Agricultural Extension Service / University of California, Division of Agricultural Sciences 435
3
Published: 1950
Superior document: Circular / California Agricultural Extension Service 168
4
Published: 1950
Superior document: Circular / California Agricultural Extension Service, University of California, The College of Agriculture 166
5
Published: 1941
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 657
6
Published: 1940
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 641