Columbia subject headings:
Harvard subject headings:
Europe, Central--History--19th century.
Europe, Central--History--Errors, inventions, etc.
Europe, Eastern--History--19th century.
Europe, Eastern--History--Errors, inventions, etc.
Imaginary histories
Princeton subject headings:
Europe, Central--History--19th century.
Europe, Central--History--Errors, inventions, etc.
Europe, Eastern--History--19th century.
Europe, Eastern--History--Errors, inventions, etc.
Imaginary histories.