A Yalie's Harvard "keep-sake": Gay's defense of C. T. Jackson's claims.
D000776:Anesthesiology / Q000266:history*; D018685:Anesthetics, Inhalation / Q000266:history*; D004986:Ether / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D008374:Manuscripts, Medical as Topic / Q000266:history*; D009144:Museums; D014495:Universities
D018685:Anesthetics, Inhalation; D004986:Ether