Jonathan Thorne letter book 1839-1851
Additional Descriptive Data
America's Successful Men of Affairs: An Encyclopedia of Contemporaneous Biography. Ed. Henry Hall. Volume I. New York: The New York Tribune, 1895.
"Obituary." New York Times 10 October 1884.
Wood, William H. S. Friends of the City of New York in the Nineteenth Century. New York: Privately printed, 1904.