Columbia subject headings:
Austria--Economic conditions--To 1918.
Austria--Politics and government--1867-1918.
Wittgenstein, Karl, 1847-1913.
Harvard subject headings:
Austria--Economic conditions--To 1918.
Austria--Politics and government--1867-1918.
Wittgenstein, Karl, 1847-1913.
Princeton subject headings:
Austria--Economic conditions--To 1918.
Austria--Politics and government--1867-1918.
Wittgenstein, Karl.