Three lectures, preliminary to a course on the principles and practice of surgery : delivered on the 4th, 8th, and 9th of October, 1849, before the medical class of the University of Pennsylvania Gibson, William, 1788-1868. General Surgery Travel Philadelphia : Gratton & M'Lean, 1850 University of Pennsylvania. Addresses Text 57 p. NLM copy, cover at back of re-bound v. nlm:nlmuid-66760330R-bk 66760330R http://resource.nlm.nih.gov/66760330R English Europe The National Library of Medicine believes this item to be in the public domain : https://creativecommons.org/publicdomain/mark/1.0/