41. 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
42. 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
43. Number 39 - The Genetic Relations of Plant Colors in Maize: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
44. Number 40 - Liberation of Organic Matter by Roots of Growing Plants: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
45. Number 41 - Lysimeter Experiments--II. Records for Tanks 13 to 16 During the Years 1913 to 1917 Inclusive: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
46. Number 42 - Bean Anthracnose: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
47. Number 43 - Variations in Bacteria Counts from Milk as Affected by Media and Incubation Temperature: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
48. Number 44 - Attachment of the Abdomen to the Thorax in Diptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1921 Format: Issue
49. 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
50. 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