Libri scritti
Articoli
1927
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“The Obverse Legend on the Oldest Norwegian Coin”, The Numismatic Chronicle, Series 5, Volume 7, pagine 307-312.
1942
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“Die Münzen Norwegens bis zum Ende des 16. Jahrhunderts” = “The coins of Norway up to the end of the 16th century”, Deutsche Münzblätter (German Coin Sheets), 14: Jg.60-62, pagine 457-474, 492-510, Tf.188-192.
1992
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“Some Samanid and Ghaznavid dirhams from the last years of the 10th century”, ONS Newsletter, 134 volume, pagine 4-5.
1994
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“The silver content of late Samanid dirhams”, ONS Newsletter, 139 volume, pagina 10.
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“A silver-plated dirham from Samarqand”, ONS Newsletter, 141 volume, pagina 9.
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