1
Published: 1918
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 296
2
Published: 1921
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 331
3
Published: 1916
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 268
4
Published: 1920
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 322