391. Number 45 - The Botrytis Blight of Tulips: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
392. Number 46 - A Classification of the Cultivated Varieties of Barley: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
393. 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
394. 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
395. 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
396. Number 50 - The Relative Growth-Promoting Value of the Protein of Coconut Oil Meal, and of Combinations of it with Protein from Various Other Feeding Stuffs: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
397. Number 51 - The Hog Louse, Haematopinus Suis Linne: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
398. 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
399. 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
400. 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