AD, 13 Jan 1908.

4. “The Privilege of the Grave,” written in 1905, published in SLC 2009, 56.

5. These words came at the end of the editorial note that preceded each of the twenty-five selections in the Review.

6. MTA, 1:1. The following pre-1906 writings published by Paine in the autobiography did not meet the criteria for inclusion in this edition: “Jane Lampton Clemens” (1890; published in Inds, 82–92), “Macfarlane” (1894–95; published in WIM, 76–78), and “Henry H. Rogers (Continued)” (1909) (MTA, 1:115–25, 143–47, 256–65).

7. Paine told a reporter in 1933 that the “complete autobiography . . . would fill about six volumes, including the two already published, and probably would not be made public for ‘many, many years’” (“Canard Blasted by Biographer of Mark Twain” New York Herald Tribune, 8 July 1933, clipping in CU-MARK).

8. “Introduction,” Mark Twain in Eruption, edited by Bernard DeVoto (New York: Harper and Brothers, 1940), vi–ix; hereafter MTE.

9. “Introduction,” The Autobiography of Mark Twain, Including Chapters Now Published for the First Time, arranged and edited, with an introduction and notes, by Charles Neider (New York: Harper and Brothers, 1959), ix, xvi, xx–xxiii; hereafter AMT

10. MTPO (http://www.marktwainproject.org) is an open access website maintained by the Mark Twain Project in order to make all of its editions available online. Autobiography of Mark Twain is the first work to be published there simultaneously with the print edition, and the first to publish the textual apparatus only in electronic form.

11. 8 Oct 1886 to Kate Staples, NN-BGC.

12. SLC 1869a, 1872, 1880a, 1883, 1873–74, 1876, 1885a, 1885b, 1899e.

13. SLC 1871a, 1871c.

14. Howells had asked for suggestions for a series of “Choice Biographies.” 6 June 1877 to Howells, Letters 1876–1880; “The Late Benjamin Franklin,” SLC 1870c; Gribben 1980, 1:134, 241–43, 2:539–40; MTB, 3:1538.

15. 18 Aug 1871 to OLC, L4, 446–47. He may have been reading Henry Wilson’s Wonderful Characters; Comprising Memoirs and Anecdotes of the Most Remarkable Persons of Every Age and Nation (1854). Among its subjects was Thomas Parr, who reputedly lived from 1483 to 1635.

16. 9 Aug 1876 and 23? Mar 1877 to Howells, Letters 1876–1880. The manuscript is unfinished and untitled; Paine titled it “Autobiography of a Damned Fool” (SLC 1877b).

17. 26 Feb 1880 to OC, Letters 1876–1880. Clemens would remember and rehearse his advice to Orion in his Autobiographical Dictation of 23 February 1906; see the note at 378.25–27 for a fuller account of Orion’s autobiography, which is now lost.

18. Annie Adams Fields Papers, diary entry for 28 Apr 1876, MHi, published in Howe 1922, 250–51.

19. See “John Hay,” note at 223.27–28, for a discussion of the possible date of this conversation. No such “diary” is known to survive, but some of the texts written in Vienna in 1898 have the look of diary entries. See “Four Sketches about Vienna.”

20. N&J2, 50–51; MTA, 1:7.

21.