1.)"Siamese Twins, Day Only" (n.p., n.d.)
Broadside 870

2.) Hales, James W. Historical Account of Siamese Twins (New York: John M. Elliott, Printer, 1834).
AC901 .M33 v.21 no. 2

3.) MT: Pudd'nhead Wilson's Calendar for 1894 (New York: The Century Company, 1893).
PS1317 .A12 1893

4.) Aldine Association: In Honor of Mark Twain, Tuesday Evening, December 4, 1900 [n.p.] 1900).
PS1331 .A5 I5 1900

5.) MT: Pudd'nhead Wilson, A Tale by Mark Twain [Detached from The Century Magazine] (New York, The Century Company, 1893-1894).
PS1322 .M34 1904 no. 27

6.) MT: The Tragedy of Pudd'nhead Wilson and the Comedy of Those Extraordinary Twins (Hartford: American Publishing Company, 1894).
PS1317 .A1 1894

7.) MT: Mark Twain's 1895-6 Tour Around the World (New York? 1895?).
PS1331 .M338 1895

8.) MT: Pudd'nhead Wilson, A Tale (London: Chatto & Windus, 1894).
PS1317 .A1 1894a

9.) C.A. King (comp.): Mark Twain: Excerpts from Magazines (n.p., 1916?).
PS1331 .K5 1916

10.) MT: The Tragedy of Pudd'nhead Wilson and the Comedy of Those Extraordinary Twins (Hartford: American Publishing Company, 1894).
PS1317 .A1 1894 -- copy 4

11.) MT: The Tragedy of Pudd'nhead Wilson and the Comedy of Those Extraordinary Twins (Hartford: American Publishing Company, 1894).
PS1317 .A1 1894 -- copy 5

12.) MT: Pudd'nhead Wilson, Vol. 14 of The Writings of Mark Twain: Édition de Luxe (Hartford: American Publishing Company, 1899).
PS1300 1899