121. 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
122. 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
123. 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
124. 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
125. Number 141 - Farm Manure: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
126. Number 142 - Calculating the Cost of Milk Production: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
127. Number 142, Supplement - Calculating the Cost of Milk Production. Discussion Paper: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
128. Number 143 - Potato Growing in New York: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
129. Number 143, Supplement - Potato Growing in New York. Discussion Paper: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
130. Number 144 - How the Plant Produces Seed: Cornell reading course for the farm Collection: Core Historical Literature of Agriculture Publisher: New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1919 Format: Issue
