1
2
3
4
Published: 1949
Superior document: Circular / California Agricultural Extension Service, University of California, The College of Agriculture 150
5
Published: 1957
Superior document: Circular / California Agricultural Experiment Station ; California Agricultural Extension Service / University of California, Division of Agricultural Sciences 463
6
Published: 1959
Superior document: Circular / California Agricultural Experiment Station ; California Agricultural Extension Service / University of California, Division of Agricultural Sciences 475