1
Published: 1938
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 623
2
3
Published: 1944
Superior document: Circular / University of California, College of Agriculture, Agricultural Experiment Station 358
4
Published: 1948
Superior document: Circular / California Agricultural Experiment Station 375
5
Published: 1941
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 655