[Instruments, books and other objects memorable to (almost) forgotten opinions, therapies, buildings, et cetera. Cat holder].
D000818:Animals; D002415:Cats; D049673:History, 20th Century; D008297:Male; D009426:Netherlands; D009919:Orchiectomy / Q000266:history* / Q000295:instrumentation / Q000662:veterinary; D014730:Veterinary Medicine / Q000266:history* / Q000295:instrumentation / Q000379:methods