51. Number 47 - Typha Insects: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
52. Number 48 - The Inheritance of Salmon Silk Color in Maize: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
53. Number 49 - The Biology of Ephydra Subopaca Loew: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
54. Number 52 - Studies in Pollen, with Special Reference to Longevity: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1922 Format: Issue
55. Number 53 - The Genetics of Squareheadedness and of Density in Wheat, and the Relation of These to Other Characters: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1922 Format: Issue
56. Number 54 - Horse Raising in Colonial New England: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1922 Format: Issue
57. Number 55 - Insects and Other Animal Pests Injurious to Field Beans in New York: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1922 Format: Issue
58. Number 56 - The Insect Fauna of the Genus Crataegus: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1922 Format: Issue
59. Number 57 - A Study, by the Crop Survey Method, of Factors Influencing the Yield of Potatoes: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1922 Format: Issue
60. Number 58 - The Biology of the Chrysopidae: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1922 Format: Issue