[Orthopedics in philately].
D001317:Austria; D005602:France; D005858:Germany; D006115:Greece; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D049711:History, Modern 1601-; D009426:Netherlands; D009985:Orthopedics / Q000266:history*; D010678:Philately; D012425:Russia (Pre-1917); D013557:Switzerland
Die Orthopädie in der Philatelie