Columbia subject headings:
Historians--Soviet Union--History--20th century.
Perestroĭka.
Soviet Union--Historiography--20th century.
Soviet Union--Intellectual life.
Soviet Union--Politics and government--1985-1991.
Harvard subject headings:
Historians--Soviet Union--History--20th century.
Historians--Soviet Union.
Perestroĭka.
Soviet Union--Historiography.
Soviet Union--Intellectual life.
Soviet Union--Politics and government--1985-1991.
Princeton subject headings:
Historians--Soviet Union--History--20th century.
Perestroĭka.
Soviet Union--Historiography--History--20th century.
Soviet Union--Intellectual life.
Soviet Union--Politics and government--1985-1991.