1. National Museum of American History Archives Center. Louisan E. Mamer Rural Electrification Administration Papers 1927–2002. Box 4, Folder 4, “Demonstrator Scripts.”
2. The Bakken Museum, Artifact Collection and Library, Sears Roebuck Company, Trade Literature.
3. American Medical Association. Historical Health Fraud and Alternative Medicine Collection. Lindstrom Smith. Box 243, File, Folder 3; Hamilton Beach. Box 231, Folder 3.
4. “The Non-Surgical Treatment of Diseases of the Prostate Gland and Associate Organs.”;Williams;Albright’s Office Practitioner,1906