21
22
23
24
Published: 1918
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 303
25
26
Published: 1901
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 136
27
28
Published: 1901
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 134
29
Published: 1921
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 331
30
Published: 1916
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 268