Ausland, Clain-Stefanelli, Vladimir / Clain-Stefanelli Elvi
History of the National Numismatic Collections. (Paper 31 S. 1-108) Numismatics - an ancient science. (Paper 32 S. 1-102) Italien Coin Engravers since 1800. (Paper 33 S. 1-68) US National Museum Bulletin 229, Washington 1970.
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