1. Intumescences with a note on mechanical injury as a cause of their development;Wolff;Journ. Agr. Research,1918
2. Mechanism of tumor growth in crown gall;Smith;Journ. Agr. Research,1917
3. Mechanism of overgrowth in plants;Smith;Proc. Amer. Philos. Soc.,1917
4. Studies on crown gall of plants: Its relation to human cancer;Smith;Journ. Cancer Research,1916
5. Further evidence that crown gall of plants is cancer;Smith;Science, n.s.,1916