1. Volume 42, 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: 1949 Format: Issue
2. Volume 42, 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: 1949 Format: Issue
3. Volume 42, 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: 1949 Format: Issue
4. Volume 42, 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: 1949 Format: Issue
5. Volume 75, Number 1: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1949 Format: Issue
6. Volume 75, Number 2: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1949 Format: Issue
7. Volume 75, Number 3-4: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1949 Format: Issue
8. Volume 23, Number 1: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1949 Format: Issue
9. Volume 23, Index : Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1949 Format: Issue
10. Volume 23, Number 2: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1949 Format: Issue
11. Volume 23, Number 3: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1949 Format: Issue
12. Volume 23, Number 4: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1949 Format: Issue
13. Number 851: 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: 1949 Format: Issue
14. Number 854: 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: 1949 Format: Issue
15. Number 735: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1949 Format: Issue
16. Number 736: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1949 Format: Issue
17. Number 737: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1949 Format: Issue
18. Number 738: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1949 Format: Issue
19. Number 752 - Equipment to Save Labor on the Poultry Farm: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1949 Format: Issue
20. Number 753 - Let's Prepare a Publication: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1949 Format: Issue