Columbia subject headings:
Vrubelʹ, Mikhail Aleksandrovich, 1856-1910.
Harvard subject headings:
Vrubelʹ, Mikhail Aleksandrovich, 1856-1910--Correspondence.
Vrubelʹ, Mikhail Aleksandrovich, 1856-1910.
Princeton subject headings:
Vrubelʹ, Mikhail Aleksandrovich, 1856-1910.