1
Published: 1911
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 219
2
Published: 1936
Superior document: Circular / University of California, College of Agriculture, Agricultural Experiment Station 339
3
Published: 1935
Superior document: Bulletin / Univ. of California. College of agriculture. Agricultural Experiment Station 595
4
Published: 1922
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 343