Contributions to Embryology . Published by the Carnegie Institution of Washington. No. 1. 1915; No. 26 I91S. Volumes 1-8.
- 11 April 1919
- journal article
- book review
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 49 (1267) , 359-360
- https://doi.org/10.1126/science.49.1267.359