1
Published: 1927
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 423
2
3
Published: 1931
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 510
4
Published: 1927
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 444
5
6
7
Published: 1927
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 432