Columbia subject headings:
Grabarʹ, Igorʹ Ėmmanuilovich, 1871-1960--Correspondence.
Painters--Russia (Federation)--Correspondence.
Harvard subject headings:
Grabarʹ, Igorʹ Ėmmanuilovich, 1871-1960
Painters--Soviet Union--Biography
Princeton subject headings:
Grabarʹ, Igorʹ Ėmmanuilovich, 1871-1960.
Painters--Soviet Union--Correspondence, reminiscences, etc.