[28] Heinrich Frölich, "Abul-Kasem als Kriegschirurg," _Archiv für klinische Chirurgie_, 1884, vol. 30, pp. 365-376. This well-presented study was reviewed by Paul Schede in _Centralblatt für Chirurgie_, 1884, no. 38, pp. 626-627. [29] Johannis Freind, _The History of Physick_, London, 1726, vol. 2, p. 129. [30] In several manuscripts, the chapter on the use of leeches is the last one in the second section of the treatise. U.S. GOVERNMENT PRINTING OFFICE: 1961 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington 25, D.C.-Price 20 cents End of the Project Gutenberg EBook of Drawings and Pharmacy in Al-Zahrawi's 10th-Century Surgical Treatise, by Sami Hamarneh