Studies in the Biological Sciences
1. Herbert G. Lampson, A Study on the Spread of Tuberculosis in Families. 1913. $0.50.
2. Julius V. Hofmann, The Importance of Seed Characteristics in the Natural Reproduction of Coniferous Forests. 1918. $0.25.
3. William Moore and A. D. Hirschfelder, An Investigation of the Louse Problem. 1919. $0.50.