Columbia subject headings:
Kandinsky, Wassily, 1866-1944.
Marc, Franz, 1880-1916.
Painters--Germany--Correspondence.
Painters--Soviet Union--Correspondence.
Harvard subject headings:
Kandinsky, Wassily, 1866-1944
Marc, Franz, 1880-1916.
Painters--Germany--Correspondence.
Painters--Soviet Union--Correspondence.
Princeton subject headings:
Kandinsky, Wassily, 1866-1944.
Marc, Franz, 1880-1916.
Painters--Germany--Correspondence.
Painters--Soviet Union--Correspondence.