1
2
Published: 1927
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 441
3
Published: 1928
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 448
4
Published: 1926
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 406
5
Published: 1930
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 496
6
Published: 1932
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 531