1
2
Published: 1937
Superior document: Circular / University of California, College of Agriculture, Agricultural Experiment Station 343
3
Published: 1948
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 709
4
Published: 1942
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 661
5
Published: 1937
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 618
6
Published: 1949
Superior document: Circular / California Agricultural Extension Service, University of California, The College of Agriculture 15
7
Published: 1950
Superior document: Circular / California Agricultural Extension Service, University of California, The College of Agriculture 166