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| Francis, C. A. and D. E. Lange (1988): Four Occurrences of Dravite in Western New England (Rocks and Minerals 63:455). |
| Meyers, T.R., Stewart, G.W. (1956) The Geology of New Hampshire - Part III: Minerals and Mines. New Hampshire Department of Resources and Economic Development. |
| Meyers, T.R., Stewart, G.W. (1956) The Geology of New Hampshire - Part III: Minerals and Mines. New Hampshire Department of Resources and Economic Development. |
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| Meyers, T.R., Stewart, G.W. (1956) The Geology of New Hampshire - Part III: Minerals and Mines. New Hampshire Department of Resources and Economic Development. |
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| Jackson, 1844. Final Report on The Geology and Mineralogy of NH, p. 169 |
| Meyers, T.R., Stewart, G.W. (1956) The Geology of New Hampshire - Part III: Minerals and Mines. New Hampshire Department of Resources and Economic Development. |
| Hitchcock, Charles (1869). First Annual Report upon the Geology and Mineralogy of the State of New Hampshire. |
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| Jackson, 1844. Final Report on The Geology and Mineralogy of NH |