title: The shelf of Walter C. Alvarez, M.D.
mesh_terms: D001868:Book Collecting; D049671:History, 18th Century; D049672:History, 19th Century; D049691:History, Medieval; D006801:Humans; D001523:Mental Disorders / Q000266:history; D013606:Tabes Dorsalis / Q000266:history; D014481:United States