Ross, M. E. Cape Anne: Its physical and environmental geology. (2015). at <http://www.researchgate.net/publication/275963133_Cape_Ann_Its_Physical_and_Environmental_Geology>

Kopera, J. P. et al. Geochemistry of gneisses and amphibolites in the Uchee Belt of western Georgia and eastern Alabama; an ACRES progress report. Abstracts with Programs - Geological Society of America 32, 31 - 31 (2000).

Kopera, J. P. The influence of ductile structure and rheological heterogeneity on brittle structures as exhibited by Avalonian granites in southeastern Massachusetts. Geological Society of America Abstracts with Programs 40, 3 (2008).