1. The Embryonic development of the Ovary and Testis of the Mammals
2. 1914 Die bestimmung und der dimorphismus des geschlechtes bei bonellia. Sitzungsb. d. phys.-Med. Ges. zu Würzburg.
3. 1913 Problems of genetics (see pp. 44-45). Yale University Press.
4. 1904 Sheep catalogue of beinn bhreagh, victoria county, nova scotia. Washington, D. C. Also mimeographed supplement to same to 1914.