1. Porter R. The greatest benefit to mankind: a medical history of humanity. New York: W.W. Norton & Company, Inc.; 1998.
2. Tampa M, Sarbu I, Matel C, et al. Brief history of syphilis. J Med Life. 2014;7(1):4–10. https://www.ncbi.nlm.nih.gov.
3. Dittrick Medical History Center. The Civil War: sex and soldiers. Cleveland: Case Western Reserve University; 2022. https://artsci.case.edu/dittrick.
4. Speaker SL. “Fit to fight”: home front army doctors and VD during WWI. Circulating Now: from the historical collection of the National Library of Medicine. 2018. https://circulatingnow.nlm.nih.gov.
5. WW2 US Medical Research Centre. Venereal disease and treatment during WW2. WW2 US Medical Research Centre; 2007. https://www.med-dept.com.