Rykken, J. J. and B. D. Farrell (2018). "Six-Legged Colonists: The Establishment and Distribution of Non-Native Beetles in Boston Harbor Islands NRA." Northeastern naturalist 25(sp9): 1-22.
Rykken, J. J. and B. D. Farrell (2018). "Exploring the Microwilderness of Boston Harbor Islands National Recreation Area: Terrestrial Invertebrate All Taxa Biodiversity Inventory." Northeastern Naturalist 25(sp9): 23-44.