Grain sorghum seedde E. B. BabcockMateriasSeedsSorghumEdiciones (1)Grain sorghum seed (1917)University of California, College of Agriculture, Agricultural Experiment Station · inglésMás obras de E. B. BabcockSuggestions for garden work in California schoolsElementary school agriculture : a teacher's manual to accompany Hilgard and Osterhout's "Agriculture for schools of the pacific slope"Information for students concerning the College of Agriculture of the University of California
Elementary school agriculture : a teacher's manual to accompany Hilgard and Osterhout's "Agriculture for schools of the pacific slope"
