De México, N.R. Strange Pursuit. New York: Farrell Publishing Corporation. Suspense Novel No.1, 1951

De México, N.R. Strange Pursuit. New York: Farrell Publishing Corporation. Suspense Novel No.1, 1951, Volume: Gilbert B264. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527630 Accessed December 26, 2025.