Columbia subject headings:
Harvard subject headings:
Russia (Federation)--History--Errors, inventions, etc.
Russia (Federation)--History--Miscellanea.
Russia--History--Errors, inventions, etc.
Russia--History--Miscellanea.
Soviet Union--History--Errors, inventions, etc.
Soviet Union--History--Miscellanea.
Princeton subject headings:
Russia (Federation)--History--Errors, inventions, etc.
Russia (Federation)--History--Miscellanea.
Russia--History--Errors, inventions, etc.
Russia--History--Miscellanea.
Soviet Union--History--Errors, inventions, etc.
Soviet Union--History--Miscellanea.
Trivia and miscellanea.