Bierce edited the twelve volumes of The Collected Works of Ambrose Bierce, which were published from 1909 to 1912. [65]American writer and researcher into anomalous phenomena Charles Fort wrote about the unexplained disappearances of Ambrose Bierce and Ambrose Small, and asked, "Was somebody collecting Ambroses?" (Knoxville: University of Tennessee, 1998)Collections of mixed types of contentThe Collected Writings of Ambrose Bierce (New York: Citadel Press, 1946)(New York: Citadel Press, 1946) Ambrose Bierce’s Civil War , William McCann, ed. (Boone, IA: Library of America, 2011)LettersContaining Four Ambrose Bierce Letters (New York: Charles Romm, 1921)(New York: Charles Romm, 1921) The Letters of Ambrose Bierce , Bertha Clark Pope [and George Sterling, uncredited], eds. Ambrose Bierce .