1. DERMATITIS HERPETIFORMIS.
2. University of Pennsylvania University Archives and Records Centre. Louis Adolphus Duhring 1845–1913 [cited 2023 May 3]. Available from:https://archives.upenn.edu/exhibits/penn‐people/biography/louis‐adolphus‐duhring/
3. LOUIS ADOLPHUS DUHRING
4. Old Penn Vol. IX Nr 9 P 266 03 December 1910 (Excerpt courtesy of the University of Pennsylvania Archives).