Columbia subject headings:
Curiosities and wonders.
Russia--History--Miscellanea.
Soviet Union--History--Miscellanea.
Harvard subject headings:
Curiosities and wonders
History--Miscellanea
Russia--History--Miscellanea.
Soviet Union--History--Miscellanea.
Princeton subject headings:
Curiosities and wonders.
Russia--History--Miscellanea.
Soviet Union--History--Miscellanea.