21. Number 1 - Private Colonization of Land: Bulletin Collection: Core Historical Literature of Agriculture Publisher: American Association for Agricultural Legislation Publication Place: Madison, Wis. Date: 1918 Format: Issue
22. Volume 44, Number 1: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1918 Format: Issue
23. Volume 44, Number 2: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1918 Format: Issue
24. Volume 44, Number 3: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1918 Format: Issue
25. Volume 44, Number 4: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1918 Format: Issue
26. Number 396: Bulletin Collection: Core Historical Literature of Agriculture Publisher: Cornell University Agricultural Experiment Station, New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1918 Format: Issue
27. Number 398: Bulletin Collection: Core Historical Literature of Agriculture Publisher: Cornell University Agricultural Experiment Station, New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1918 Format: Issue
28. Number 397: Bulletin Collection: Core Historical Literature of Agriculture Publisher: Cornell University Agricultural Experiment Station, New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1918 Format: Issue
29. Number 132 - Drying Fruits and Vegetables in New York State: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1918 Format: Issue
30. Number 132, Supplement - Drying Fruits and Vegetables in New York State. Discussion Paper: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1918 Format: Issue