Who's Who in Military History, p 283; Some estimates are just above 20,000, for example: "Together with Wilhelm von Roggendorf, the Marshal of Austria, Salm conducted the defense of Vienna with 16,000 regulars and 5,000 militia."
Who's Who in Military History, s. 283; Vissa uppskattningar är strax över 20 000, till exempel: "Together with Wilhelm von Roggendorf, the Marshal of Austria, Salm conducted the defense of Vienna with 16,000 regulars and 5,000 militia."