Index Monthly; A Bulletin of Progressive News and Announcement. London, Ontario: unknown publisher, August 1929

Index Monthly; A Bulletin of Progressive News and Announcement. London, Ontario: unknown publisher, August 1929, Volume: Gilbert C257. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526278 Accessed March 23, 2026.