Columbia subject headings:
Harvard subject headings:
Political culture--Austria--Salzburg--History--20th century.
Political ecology--Austria--Salzburg--History--20th century.
Political participation--Austria--Salzburg--History--20th century.
Political parties--Austria--Salzburg--History--20th century.
Salzburg (Austria)--Politics and government--20th century.
Princeton subject headings:
Grünen (Political party : Austria)--History.
Salzburg (Austria)--Politics and government--20th century.