Robert Morris

Articoli

1955
• “Response to a Challenge”, De Nummis, 1 volume, pagina 5.
1971
• “Notable Firsts in Transvaal Numismatics”, De Nummis, 4 volume, pagine 56–61.
1988
• “Message from President of A.S.A.N.S.”, Journal of the Association of South African Numismatic Societies​​​​, 1 volume, pagine 3–4.
1989
• “The Sammy Marks Golden Tickey and Its Replicas”, Journal of the Association of South African Numismatic Societies​​​​, 2 volume, pagine 51–55.

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