Columbia subject headings:
Harvard subject headings:
Medals--Russia (Federation)--Exhibitions.
Petrov, Sergeĭ Pavlovich, 1946---Art collections.
Robinson, David Veniaminovich, 1930---Art collections.
Princeton subject headings:
Medals--Private collections--Russia (Federation)--Catalogs.
Petrov, Sergeĭ Pavlovich, 1946---Numismatic collections--Catalogs.
Robinson, David Veniaminovich, 1930-1992--Numismatic collections--Catalogs.