Columbia subject headings:
Harvard subject headings:
Grooth, Georg Christof, 1716-1749--Catalogs.
Grooth, Georg Christof, 1716-1749.
Portrait painters--Russia--Biography.
Portrait painting, German--Russia.
Portrait painting--18th century--Russia.
Princeton subject headings:
Aristocracy (Social class)--Russia (Federation)--Portraits.
Grooth, Georg Christof, 1716-1749--Criticism and interpretation.
Portraits.