Cumberland, David. Death and Justice Frescoes. Massachusetts: Bookstore Press, 1971

Cumberland, David. Death and Justice Frescoes. Massachusetts: Bookstore Press, 1971, Box: 3, Volume: 87. Midwest Distributors records, RH MS 949. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/574063 Accessed March 09, 2026.