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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Locality description |
| Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- White Rock Mining District
| London, David. (1985): Pegmatites of the Middletown District, Connecticut. State Geological and Natural History Survey of Connecticut, Department of Environmental Protection, Guidebook No. 6: 509-533. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Otfinoski, Carla (1988): Pegmatite Quarrying In the Middletown District. Unpublished masters thesis. Wesleyan University, Middletown, Connecticut. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Wells, H. L. (1887), Bismutosphaerite from Willimantic and Portland. American Journal of Science: series 3: 34: 271-4. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |