pageant; former teacher cherishes her insightful 2007 essay". The Herald Palladium. Archived from the original on March 20, 2018. Retrieved March 25, 2016
Adamson, Paul C.; Klausner, Jeffrey D. (2022). "60. Syphilis (Treponema palladium)". In Jong, Elaine C.; Stevens, Dennis L. (eds.). Netter's Infectious