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2. Pennington, S. Maine Antique Digest.(March1990), pp 14-A−17-A.
3. Hewett, D. Maine Antique Digest.(December1997), p 8-A.
4. Grant, M. S. InConserve O Gram, Number1/9;National Park Service:Washington, DC,2000, pp1−3.
5. Grant, M. S. InConserve O Gram, Number1/10;National Park Service:Washington, DC,2000, pp1−4.