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- Author(s):
- Thorington, James, 1858-1944, author
- Publication:
- Philadelphia : P. Blakiston, Son & Co., 1897
- Subject(s):
- Refraction, Ocular
Retinoscopy
- Author(s):
- Thorington, James, 1858-1944, author
- Publication:
- Philadelphia : Lea Brothers & Co., [1892?]
- Subject(s):
- Palate, Soft
Prostheses and Implants
Speech Disorders -- rehabilitation
Correction of Hearing Impairment