181. An outline of forest pathology Creator: Hubert, Ernest E. b. 1887. Collection: Core Historical Literature of Agriculture Publisher: Chapman & Hall, Limited, Publication Place: London : Date: 1931 Format: Book
182. Volume 24, Number 1: Annals of the Entomological Society of America Collection: Core Historical Literature of Agriculture Publisher: Entomological Society of America Publication Place: Lanham, Md. Date: 1931 Format: Issue
183. Volume 24, Number 2: Annals of the Entomological Society of America Collection: Core Historical Literature of Agriculture Publisher: Entomological Society of America Publication Place: Lanham, Md. Date: 1931 Format: Issue
184. Volume 24, Number 3: Annals of the Entomological Society of America Collection: Core Historical Literature of Agriculture Publisher: Entomological Society of America Publication Place: Lanham, Md. Date: 1931 Format: Issue
185. Volume 24, Number 4: Annals of the Entomological Society of America Collection: Core Historical Literature of Agriculture Publisher: Entomological Society of America Publication Place: Lanham, Md. Date: 1931 Format: Issue
186. Volume 13, Number 1: Journal of farm economics Collection: Core Historical Literature of Agriculture Publisher: American Farm Economic Association Publication Place: Menasha, Wis. Date: 1931 Format: Issue
187. Volume 13, Number 2: Journal of farm economics Collection: Core Historical Literature of Agriculture Publisher: American Farm Economic Association Publication Place: Menasha, Wis. Date: 1931 Format: Issue
188. Volume 13, Number 3: Journal of farm economics Collection: Core Historical Literature of Agriculture Publisher: American Farm Economic Association Publication Place: Menasha, Wis. Date: 1931 Format: Issue
189. Volume 13, Number 4: Journal of farm economics Collection: Core Historical Literature of Agriculture Publisher: American Farm Economic Association Publication Place: Menasha, Wis. Date: 1931 Format: Issue
190. Volume 57, Number 1: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1931 Format: Issue