Twain, Mark. King Leopold’s Soliloquy. New York: International Publishers, 1961

Twain, Mark. King Leopold’s Soliloquy. New York: International Publishers, 1961, Box: 5, Volume: 97. Midwest Distributors records, RH MS 949. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/574232 Accessed March 21, 2026.