1. Über die Entwicklung
2. und 1914 Atlas zur Entwicklungsgeschichte des menschlichen Auges. Wilhelm Engelmann, Leipzig and Berlin.
3. 1915 The rat. Data and reference tables for the albino rat (Mus norvegicus albinus) and the Norway rat (Mus norvegicus). Memoirs of The Wistar Institute of Anatomy and Biology, no. 6, Philadelphia.