Columbia subject headings:
Art, Russian--20th century.
Artists--Soviet Union--Correspondence.
Artists--Soviet Union--Diaries.
Avant-garde (Aesthetics)--Russia (Federation)--History--20th century--Sources.
Khardzhiev, N. (Nikolaĭ)--Archives.
Harvard subject headings:
Art, Russian--20th century.
Artists--Soviet Union--Correspondence.
Artists--Soviet Union--Diaries.
Avant-garde (Aesthetics)--Russia (Federation)--History--20th century--Sources.
Khardzhiev, N. (Nikolaĭ)--Archives.
Malevich, Kazimir Severinovich, 1878-1935
Princeton subject headings:
Arts, Russian--20th century--Archival resources.
Avant-garde (Aesthetics)--Russia (Federation)--History--20th century--Archival resources.
Khardzhiev, N. (Nikolaĭ)