Ambrose Bierce, S. T. Joshi, Tryambak Sunand Joshi, David E. Schultz (2003). “A Much Misunderstood Man: Selected Letters of Ambrose Bierce”, p.243, Ohio State University Press
Ambrose Bierce (2011). “Ambrose Bierce: The Devil's Dictionary, Tales, and Memoirs: The Devil's Dictionary, Tales, and Memoirs”, p.842, Library of America