Teaching the idiot : A lecture, delivered in St. Martin's Hall, London, August 4, 1854, in connection with the Educational Exhibition of the Society of Arts, Manufactures, and Commerce. / By the Rev. Edwin Sidney, M.A.

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Teaching the idiot : A lecture, delivered in St. Martin's Hall, London, August 4, 1854, in connection with the Educational Exhibition of the Society of Arts, Manufactures, and Commerce. / By the Rev. Edwin Sidney, M.A. Source: Wellcome Collection.