Ref ID | Type | Author | Date | Title |
704
| Book | Cardoza, J.E., G.S. Jones, T.W. French, and D.B. Halliwell. | 1993 | Exotic and translocated vertebrates of Massachusetts. Fauna of Massachusetts Series No. 6. |
12024
| Book | Lazell, J.D. Jr. | 1976 | This Broken Archipelago: Cape Cod and the Islands, Amphibians and Reptiles. |