ASHURST, John (editor). The International Encylopaedia of Surgery; A systematic treatise on the theory and practice of surgery by authors of various nations, New York: William Wood, 1881-86, 6 volumes, 4°, 35 tinted or chromolithographed plates, wood-engravings in text (title perforations and other library marks), contemporary speckled white sheep (very soiled) Provenance: JCL (Senn Collection) -- Frederic S. DENNIS & John S. BILLINGS (1838-1913). System of Surgery, Philadelphia: Lea Brothers, 1895-96, 4 volumes, 4° (heavy soiling, title perforations), non-uniform binding of contemporary morocco-backed boards and later cloth. Provanance (both works): JCL (Senn Collection) (10)