Illustration, "Epidemiology of relapsing fever" [by Ralph Sweet]. Ca. 1936. 5 x 7 in. Reduced photographic print of a chart which, as a lantern slide, was used by Dr. Meyer to illustrate his class lectures on epidemiology in the Curricula of Public Health, Berkeley campus, One of many similar charts drawn by Sweet., 1936-1939., Folder: Folder 5. Karl Friedrich Meyer Miscellaneous Papers, MSS 47-8. UCSF Archives and Special Collections. https://public.ucsf.aspace.cdlib.org/repositories/8/archival_objects/24399 Accessed August 02, 2025.