Sidney, E. (1854). 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. London ; New York: G. Routledge & Co..

Sidney, Edwin. 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. London ; New York: G. Routledge & Co., 1854.

Sidney, Edwin. 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. London ; New York: G. Routledge & Co., 1854.