6901. Volume 2, Number 3: Journal of farm economics Collection: Core Historical Literature of Agriculture Publisher: American Farm Economic Association Publication Place: Menasha, Wis. Date: 1920 Format: Issue
6902. Volume 2, Number 4: Journal of farm economics Collection: Core Historical Literature of Agriculture Publisher: American Farm Economic Association Publication Place: Menasha, Wis. Date: 1920 Format: Issue
6903. Volume 13, 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: 1920 Format: Issue
6904. Volume 13, 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: 1920 Format: Issue
6905. Volume 13, 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: 1920 Format: Issue
6906. Volume 13, 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: 1920 Format: Issue
6907. Volume 46, Number 1: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1920 Format: Issue
6908. Volume 46, Number 2: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1920 Format: Issue
6909. Volume 46, Number 3: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1920 Format: Issue
6910. Volume 46, Number 4: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1920 Format: Issue
6911. Number 5 - Field and Purpose of the American Association for Agricultural Legislation: Bulletin Collection: Core Historical Literature of Agriculture Publisher: American Association for Agricultural Legislation Publication Place: Madison, Wis. Date: 1920 Format: Issue
6912. Number 6: Bulletin Collection: Core Historical Literature of Agriculture Publisher: American Association for Agricultural Legislation Publication Place: Madison, Wis. Date: 1920 Format: Issue