Columbia subject headings:
Critics--Soviet Union--Correspondence.
Mirsky, D. S., Prince, 1890-1939--Correspondence.
Suvchinskiĭ, Petr Petrovich, 1892-1985--Correspondence.
Harvard subject headings:
Mirsky, D. S., Prince, 1890-1939--Correspondence.
Suvchinskiĭ, Petr Petrovich, 1892---Correspondence.
Princeton subject headings:
Critics--Russia--Correspondence.
Mirsky, D. S., Prince, 1890-193--Correspondence.
Suvchinskiĭ, Petr Petrovich, b. 1892.--Correspondence.