Library of Isaiah Thomas, General Index - Thomas indicated in his diary that spent much of his time during 1812 preparing a list of books in his library. When finished, on July 12, 1812, it extended to 217 pages. The General Index offers an indication of the scope of the collection. Catalogue of the private Library of Isaiah Thomas, Senior, of Worcester, Massachusetts, taken in March, in the Year 1812. Isaiah Thomas Papers, 1748-1874. Octavo vol. 17. AAS Archives.
The Amerian Antiquarian Society, 1812-2012 - A View at the Bicentennial
The Lengthened Shadow of a Man - Isaiah Thomas and the Founding of the American Antiquarian Society, 1812-1831