1. Hogue, Wilbur Owings. Bob Clifton, Congo Crusader. New York: Holt, 1951., circa 1951 [b021] [f017] [002a]
2. Hogue, Wilbur Owings. Bob Clifton, Congo Crusader. New York: Holt, 1951., circa 1951 [b021] [f017] [003a]
3. Hogue, Wilbur Owings. Bob Clifton, Congo Crusader. New York: Holt, 1951., circa 1951 [b021] [f017] [001a]
