Columbia subject headings:
Austria--Foreign relations--19th century.
Press and politics--Austria.
Press and politics--Germany--Prussia.
Prussia (Germany)--Foreign relations--19th century.
Harvard subject headings:
Austria--Foreign relations--19th century.
Press and politics--Austria--History--19th century.
Press and politics--Germany--Prussia--History--19th century.
Prussia (Germany)--Foreign relations--19th century.
Princeton subject headings:
Austria--Foreign relations--19th century.
Press and politics--Austria.
Press and politics--Germany--Prussia.
Prussia (Germany)--Foreign relations--19th century.