13. Volume 13, Number 11: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
14. Volume 13, Number 12: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
15. Volume 13, Number 1: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
16. Volume 13, Number 2: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
17. Volume 13, Number 3: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
18. Volume 13, Number 4: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
19. Volume 13, Number 5: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
20. Volume 13, Number 6: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
21. Volume 13, Number 7: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
22. Volume 13, Number 8: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
23. Volume 13, Number 9: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1930 Format: Issue
24. Volume 12, Number 10: Extension Service news Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture, Cornell University Publication Place: Ithaca, N.Y. Date: 1929 Format: Issue
