1. The American species of Asterophyllites, Annularia and Sphenophyllum;Abbott;Bull. Amer. Paleontol.,1958
2. Anastomoses in the venation of Ginkgo biloba;Arnott;Amer. Jour. Bot.,1959a
3. Nodal anatomy in retrospect;Bailey;Jour. Arnold Arboretum,1956
4. The morphology and relationships of Austrobaileya;Bailey;Jour. Arnold Arboretum,1949