Series 1. Correspondence. 1921-1988
Series 2. DePauw Herbarium. 1879-1987
Series 4. Biographical Information. 1928-1982
Series 5. Professional Associations. 1907-1991
Series 6. Personal Files. 1904-1988
Series 7. Festschrift. 1987-1988
Series 8. Mss. & Publications. 1924-1977
Series 9. Historic Trees. 1922-1986
Series 10. Research Files. 1876-1987
Series 11. Fontinalaceae Literature . n.d.
Series 12. Hookeriaceae Literature. n.d