1. The Röntgen rays in thoracic disease Author(s): Williams, Francis H. (Francis Henry), 1852-1936, author Publication: [Philadelphia] : [publisher not identified], [1897] Subject(s): RadiographyThoracic Diseases -- diagnostic imagingRadiography -- methodsX-Rays
2. X-ray manual Author(s): Letterman General Hospital (San Francisco, Calif.), author. Publication: [San Francisco] : Letterman General Hospital, 1942 Subject(s): X-RaysRadiographyRadiotherapyX-Ray TherapyMilitary MedicineSan FranciscoUnited States
