RAMSAY, Robert and James Oakley COLES. The Mechanical Treatment of Deformities of the Mouth, Congential and Accidental. London: John Churchill & Sons, 1868. 8o (207 x 132 mm). Hand-colored lithographed frontispiece. Library cloth. Provenance: Incorporated Dental Society Library, London (their stamps on title and last leaf). FIRST EDITION, PRESENTATION COPY, inscribed by the author on the dedication leaf, October 1868.