A partial inventory is available in the Manuscripts Division.
The Louise M. Darling Biomedical Library at the University of California, Los Angeles, and Mystic Seaport: The Museum of America and the Sea have collections of T. Larkin Turner papers and Larkin Turner papers, respectively.
The National Library of Medicine has a volume of twenty testimonials for Turner's Tic-Douloureux Universal Neuralgia pills, 1847-67.
Bass, H. Royce 1848-1884. The History of Braintree, Vermont: Including a Memorial of Families that Have Resided in Town. Rutland, Vt.: Tuttle & Co., State Printers, 1883.
Biographical Sketches of Representative Citizens of the Commonwealth of Massachusetts. Boston: Graves & Steinbarger, 1901.
"Thomas Larkin Turner." Memorial Biographies of the New England Historic Genealogical Society. Volume IX. Boston: New England Historic Genealogical Society, 1908. 410-412.
Whiton, Augustus Sherrill. The Whiton Family in America: The Genealogy of the Descendents [sic] of Thomas Whiton (1635). [New London, Conn.]: Whiton Family Association, 1932.