401. 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
402. 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
403. 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
404. 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
405. 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
406. 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
407. 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
408. 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
409. 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
410. 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