71. Number 432 - Controlling Weeds with Chlorates: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
72. Number 433 - Handling Package Bees: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
73. Number 434 - Honeybees for Pollination: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
74. Number 435 - Potato Dust and Spray Recommendations for Long Island, 1940: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
75. Number 436 - Spring Management of the Apiary: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
76. Number 437 - Dutch Elm Disease and Its Control: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
77. Number 438 - The Control of Soil Erosion in New York: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
78. Number 439 - Twenty-Five Years of Farm Cost Accounts: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
79. Number 440 - The Storage of Apples: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue
80. Number 441 - Some Plants Poisonous to Touch: Cornell extension bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1940 Format: Issue