David Oliver Cauldwell, The Nervous System in Disease and Health, B-650, 1947, id2586, Box: 4, Item: 108. Emanuel Haldeman-Julius Big Blue Books and Larger Books Collection, SC-EHJB. Special Collections & Archives. https://findingaids.csun.edu/repositories/2/archival_objects/18787 Accessed June 19, 2026.