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Credit
The deaf and dumb, or, A collection of articles relating to the condition of deaf mutes : their education, and the principal asylums devoted to their instruction / by Edwin John Mann. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.