title: The leech gatherers. Aquatint by George Walker; engraved by Robert Havell. Printed by Robinson and Sons, Leeds, 1814. New Haven, Yale Medical Library, Clements C. Fry Collection.
mesh_terms: D001815:Bloodletting / Q000266:history*; D004739:England; D004741:Engraving and Engravings; D049672:History, 19th Century; D007865:Leeches