Columbia subject headings:
Austria--Foreign relations--Turkey.
Schmid, Johann Rudolf, Freiherr zum Schwarzenhorn, 1590-1667.
Turkey--Foreign relations--Austria.
Harvard subject headings:
Austria--Foreign relations--Turkey.
Schmid, Johann Rudlof, Freiherr zum Schwarzenhorn, 1590-1667.
Turkey--Foreign relations--Austria.
Princeton subject headings:
Austria--Foreign relations--Turkey.
Schmid, Johann Rudlof, Freiherr zum Schwarzenhorn, 1590-1667.
Turkey--Foreign relations--Austria.