Columbia subject headings:
Harvard subject headings:
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--Yugoslavia.
Stalin, Joseph, 1878-1953--Correspondence.
Tito, Josip Broz, 1892-1980.
Yugoslavia--Foreign relations--1945-
Yugoslavia--Foreign relations--1945-1980.
Yugoslavia--Foreign relations--Soviet Union.
Princeton subject headings:
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--Yugoslavia.
Stalin, Joseph, 1878-1953--Correspondence.
Tito, Josip Broz, 1892-1980.
Yugoslavia--Foreign relations--1945-.
Yugoslavia--Foreign relations--Soviet Union.