21. Number 25 - The Crane-Flies of New York. Part I. Distribution and Taxonomy of the Adult Flies: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
22. Number 26 - The Dry Root-Rot of the Bean: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
23. Number 27 - The Influence of Low Temperature on Soil Bacteria: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
24. Number 28 - Cooperative Marketing in the Chautauqua-Erie Grape Industry: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
25. Number 29 - The Lecithin Content of Butter and Its Possible Relationship to the Fishy Flavor: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
26. Number 18 - A Study of Bacteria in Ice Cream During Storage: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
27. Number 19 - The Effect of Manganese Compounds on Soils and Plants: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
28. Number 20 - The Physiological Action of Nitrobenzene Vapor on Animals: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
29. Number 21 - Studies in the Reversibility of the Colloidal Condition of Soils: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
30. Number 22 - An Analysis of the Costs of Growing Potatoes: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
31. Number 23 - The Inheritance of the Weak Awn in Certain Avena Crosses and Its Relation to Other Characters of the Oat Grain: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
32. Number 30 - Phosphorus in Butter: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
33. Number 31 - A Study of Selections for the Size, Shape, and Color of Hens' Eggs: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
34. Number 32 - The Carbon Dioxide of the Soil Air: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
35. Number 33 - The Ribbed Pine-Borer: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
36. Number 34 - An Economic Study of Farm Layout: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
37. Number 35 - Some Effects of Potassium Salts on Soils: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
38. Number 36 - Resistance of the Roots of Some Fruit Species to Low Temperature: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
39. Number 37 - A Modified Babcock Method for Determining Fat in Butter: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue
40. Number 38 - The Crane-Flies of New York. Part II. Biology and Phylogeny: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1920 Format: Issue