International reports of schools for the deaf made to the Volta Bureau, January 1901.

Defective conditions of the vocal organs studied, in connection with questions of the oral method of training the deaf : the tongue / by Harrison Allen.

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Volta Bureau.

Works from the collections

International reports of schools for the deaf made to the Volta Bureau, January 1901.

Defective conditions of the vocal organs studied, in connection with questions of the oral method of training the deaf : the tongue / by Harrison Allen.