Abraham Lincoln's Most Notorious Forgers
Abraham Lincoln Online (2003). Letter to Mrs. Bixby.
Bullard, F. Lauristan. Again, the Bixby Letter. Excerpt from original Lincoln Herald article from summer 1951 issue; volume 53, no. 2, pp 26-27, 37.
Hamilton, Charles (1996). Great Forgers and Famous Fakes. Glenbridge Publishing.
Ramsland, Katherine (2001). Literary Forensics. To be found at CourtTv.coms crime library.
Rendell, Kennith W. Forging History: The Detection of Fake Letters and Documents.
Solis-Cohen, Lita (2002). Hopkinson Archive Declared Forgery and Withdrawn from Auction..
Twohig, Dorthy (1998). George Washington Forgeries and Facsimile. Provenance: The Journal of the Society of