Rothwell, A., H. Ginsberg. 2018. Bee fauna of Napatree Point Conservation Area: 2017 sampling. In J.M. Sassi ed. The State of Napatree Report: 2017. pp. 167-173. http://www.edc.uri.edu/PERSONAL/PETE/napatree/son2017_final/21.Rothwell&Ginsberg_FINAL.pdf (Publication)