1. [Library Hall, Army Medical Library, Washington] Publication: [United States?] : [publisher not identified], [between 1930 and 1970?] Subject(s): Libraries, MedicalArmy Medical Library (U.S.)
2. [George Mayerle eye test chart]: [negative image] Author(s): Mayerle, George. Publication: [San Francisco] : Schmidt Litho Co., c1907 Subject(s): Vision Tests
3. [George Mayerle eye test chart]: [positive image] Author(s): Mayerle, George. Publication: [San Francisco] : Schmidt Litho Co., c1907 Subject(s): Vision Tests
4. "X-Rays" Author(s): Sloan, John, 1871-1951 artist Publication: 1926 Subject(s): X-RaysGastrointestinal Tract -- diagnostic imagingRadiography