References

Duval, F.Y., and I.B. Rigby, 1978, Early American Gravestone Art in Photographs, Dover Publications, New York.
Ludwig, Allen I., 1966, Graven Images: New England Stonecarving and its symbols, 1650-1815 / by Allen I. Ludwig 3rd ed. University Press of New England, Hanover, NH.
Tucker, Ralph L. 1993, The Lamson family gravestone carvers of Charlestown and Malden, Massachusetts, Markers X - Journal of the Association for Gravestone Studies, Worcester MA.
Willsher, Betty and Doreen Hunter, 1979, Stones: 18th century Scottish Gravestones, Tapplinger Press, New York.