On the best mode of testing the hearing of school children
Subtitle: and of providing for the instruction of partially deaf children
By: by Clarence J. Blake
Publisher: Collins
Published: 1877
Place of publication: Philadelphia
Language: eng
Number of pages: 10
Subjects: Persons With Hearing Impairments; Education; Audiometry; Deaf
Notes: "Extracted from the Transactions of the International Medical Congress, Philadelphia, September, 1876".