1
Published: 1917
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 283
2
Published: 1945
Superior document: Circular / University of California, College of Agriculture, Agricultural Experiment Station 363
3
Published: 1926
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 411
4
Published: 1936
Superior document: Circular / California Agricultural Extension Service 99