Sources list for CUT MARKS

Twain, Mark. The Autobiography of Mark Twain. New York: Harper & Row, 1975.
Mark Twain

Twain, Mark. Chapters from Mark Twain's Autobiography, North American Review (Sept. 1906 - Dec. 1907); BoondocksNet Edition, 2001.
Mark Twain: Children in Literature

Meier, Mark F. and Mark B. Dyurgerov. "How Alaska affects the world."(2002) Science. 297, 5580.
Kenai Fjords National Park

Twain, Mark. Mark Twain on the Damned Human Race. New York: Barnes and Noble, 1994.
"A Connecticut Yankee in King Arthur’s Court"

Scharnhorst, Gary. "Mark Twain's `How to remove Warts and Tattoo Marks' Authenticated." ANQ 17 (2004): 41-44.
Mark Twain