1) Diggins TP, and RG Catterlin. 2014 (in press). Topographic patterns in forest composition and diversity on slopes of Zoar Valley Canyon, western New York State, USA. Northeastern Naturalist, Volume 21.
2) Diggins TP. 2013. A 300-year successional sequence in an eastern United States riparian hardwood forest. Journal of the Torrey Botanical Society 140: 65-88