title: [Nineth International Veterinary Congress in Den Haag, September 13-19th 1909].
authors.forename: A
authors.initials: A
authors.lastname: Mathijsen
mesh_terms: D003226:Congresses as Topic / Q000266:history*; D049673:History, 20th Century; D009426:Netherlands; D014730:Veterinary Medicine / Q000266:history*