Deafmutism and the education of deaf mutes by lipreading and articulation / Arthur Hartmann; translated and enlarged by J.P. Cassells.

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Deafmutism and the education of deaf mutes by lipreading and articulation / Arthur Hartmann; translated and enlarged by J.P. Cassells. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.