21. Number 32: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
22. Number 33: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
23. Number 34: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
24. Number 35: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
25. Number 36 - Business Conditions: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
26. Number 37: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
27. Number 38: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
28. Number 39: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
29. Number 40: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1926 Format: Issue
30. Volume 52, Number 1: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1926 Format: Issue