21. Number 781: 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: 1942 Format: Issue
22. Number 776: 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: 1942 Format: Issue
23. Number 784: 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: 1942 Format: Issue
24. Number 779: 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: 1942 Format: Issue
25. Number 789: 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: 1942 Format: Issue
26. Number 785: 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: 1942 Format: Issue
27. Number 788: 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: 1942 Format: Issue
28. Number 783: 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: 1942 Format: Issue
29. Number 775: 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: 1942 Format: Issue
30. Number 698: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1942 Format: Issue