1. Number 3 - Variation and Correlation of Oats (Avena Sativa) Part I. Studies Showing the Effect of Seasonal Changes on Biometrical Constants: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1914 Format: Issue
2. Number 4 - Variation and Correlation of Oats (Avena Sativa) Part II. Effect of Differences in Environment, Varieties, and Methods on Biometrical Constants: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1914 Format: Issue