[Numismatic history of the von Graefe Medal of the German Ophthalmological Society].
Jaeger
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D005858:Germany; D005860:Germany, West; D049672:History, 19th Century; D049673:History, 20th Century; D009717:Numismatics / Q000266:history*; D009885:Ophthalmology / Q000266:history*; D012955:Societies, Medical / Q000266:history
Numizmatische Anmerkungen zur v. Graefe-Medaille der Deutschen Ophthalmologischen Gesellschaft.