Columbia subject headings:
Austria--Foreign relations--Germany.
Germany--Foreign relations--Austria.
Pangermanism.
Self-determination, National.
World War, 1914-1918--Territorial questions--Austria.
Harvard subject headings:
Austria--Foreign relations--Germany
Germany--Foreign relations--Austria.
Pangermanism.
World War, 1914-1918--Territorial questions--Austria
Princeton subject headings:
Austria--Foreign relations--Germany.
Germany--Foreign relations--Austria.
Pangermanism.
World War, 1914-1918--Territorial questions--Austria.