Johann Schiltberger:  The German Marco Polo
The Ottomans:  Saving European Civilization.
The Siege of Vienna 1683 an Account
The Victors:  The Men who Answered the Call
Prinz Eugen:  Prinz Eugenius, der edle Ritter
The Ottoman Invasion  Start here:
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Schiltberger's Account  of his Captivity