1
Published: 1947
Superior document: Circular / California Agricultural Extension Service 46
2
Published: 1925
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 385
3
4
Published: 1923
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 373
5
Published: 1919
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 346