Columbia subject headings:
Rodzevich, Konstantin, 1895-1988--Correspondence.
T︠S︡vetaeva, Marina, 1892-1941--Correspondence.
Harvard subject headings:
Rodzevich, Konstantin--Correspondence.
T︠S︡vetaeva, Marina, 1892-1941--Correspondence.
Princeton subject headings:
Rodzevich, Konstantin--Correspondence.
T︠S︡vetaeva, Marina, 1892-1941. Correspondence.