Stammering, considered with reference to its cure by the application of those laws which regulate utterance : in a letter addressed to George Birkbeck, M.D. F.G.S., President of the London Mechanics' Institution, etc. etc. etc. / by Richard Cull.

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Stammering, considered with reference to its cure by the application of those laws which regulate utterance : in a letter addressed to George Birkbeck, M.D. F.G.S., President of the London Mechanics' Institution, etc. etc. etc. / by Richard Cull. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.