The Ancestry of Sarah Hildreth, 1773-1857 : wife of Annis Spear of Litchfield, Maine. Hathi Trust Digital Library. Digital images. (Portland, Me.: Anthoensen Press, 1958)
The Ancestry of Sarah Hildreth, 1773-1857 : wife of Annis Spear of Litchfield, Maine. Hathi Trust Digital Library. Digital images. (Portland, Me.: Anthoensen Press, 1958)
Walter Goodwin Davis, The Ancestry of Sarah Hildreth, 1773-1857 : wife of Annis Spear of Litchfield, Maine. Hathi Trust Digital Library. Digital images. (Portland, Me.: Anthoensen Press, 1958), (https://catalog.hathitrust.org/: 2013)