1. Wilhelm Conrad Roentgen and the Early History of the Roentgen Rays;Glasser,1934
2. The fallacies of x-ray pictures;Tracy;JAMA,1897
3. Errors caused by the false interpretation of the Roentgen rays, and their medico-legal aspects;Beck;Med Rec,1900
4. Medicine: an illustrated history;Lyons,1978
5. The application of the Roentgen rays to medical diagnosis;Leonard;JAMA,1897