Columbia subject headings:
Harvard subject headings:
Austria--History--1918-1938.
Austria--History--Socialist Uprising, 1934.
Civil war--Austria--Upper Austria--History--20th century.
Civil war--Austria--Upper Austria--History--Chronology.
Civil war--Austria--Upper Austria--History--Sources.
Princeton subject headings:
Austria--History--1918-1938.
Austria--History--Socialist Uprising, 1934.
Civil war--Austria--Upper Austria--History--20th century.
Civil war--Austria--Upper Austria--History--Chronology.
Civil war--Austria--Upper Austria--History--Sources.