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Credit
Histories of American schools for the deaf, 1817-1893 / prepared for the Volta Bureau by the principals and superintendents of the schools, and published in commemoration of the four hundredth anniversary of the discovery of America ; edited by Edward Allen Fay. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.