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- Publication:
- Philadelphia : Ferguson & Weston, [1898]
- Subject(s):
- Vision Tests
- Author(s):
- Jaeger, Eduard, Ritter von Jaxtthal, 1818-1884 author
- Publication:
- New York : William Wood & Co., 1868
- Subject(s):
- Visual Acuity
Vision Tests
- Publication:
- Philadelphia, Pa. : Queen & Co., [between 1890 and 1899?]
- Subject(s):
- Vision Tests
Hearing Tests
- Publication:
- [Boston?] : [publisher not identified], [1880?]
- Subject(s):
- Color Vision Defects
Accidents, Occupational -- prevention & control
Vision Tests
Railroads
- Author(s):
- Savage, G. C. (Giles Christopher), 1854-1930, author
- Publication:
- Nashville, Tenn. : A. R. Gray & Son, book and job printers, 1892
- Subject(s):
- Ocular Motility Disorders -- diagnosis
Vision Tests
- Author(s):
- Little, William S., author
- Publication:
- Chicago : A.G. Newell, printer, 1884
- Subject(s):
- Astigmatism -- diagnosis
Vision Tests
- Author(s):
- Green, John, 1835-1913, author
Ewing, Arthur Eugene, 1855-1929, author
- Publication:
- St. Louis : C.V. Mosby Company, 1923
- Subject(s):
- Vision Tests