Columbia subject headings:
Harvard subject headings:
Russia (Federation)--History--1991---Dictionaries.
Russia--Civilization--Dictionaries.
Russia--History--Dictionaries.
Russia--History--Encyclopedias.
Russian language--History--Dictionaries.
Soviet Union--History--Dictionaries.
Soviet Union--History--Encyclopedias.
Princeton subject headings:
Dictionaries.
Encyclopedias.
Russia--History--Dictionaries.
Russia--History--Encyclopedias.
Soviet Union--History--Dictionaries.
Soviet Union--History--Encyclopedias.