Columbia subject headings:
Austria--Politics and government--1918-1938.
Hungary--History--Revolution, 1918-1919.
Kommunistische Partei Österreichs--History.
Harvard subject headings:
Austria--Politics and government--1918-1938.
Hungary--History--Revolution, 1918-1919
Kommunistische Partei Österreichs--History.
Princeton subject headings:
Austria--Politics and government--1918-1938.
Hungary--History--Revolution, 1918-1919.
Kommunistische Partei Österreichs--History.