der Historikerkommission der Republik Österreich. Volume 1, 2003, pp 85. Norbert Schausberger, Rüstung in Österreich 1938–1945, Vienna (1970). "Hitlers Schuldendiktat:
Archduke Leopold Wilhelm of Austria (5 January 1614 – 20 November 1662), younger brother of Emperor Ferdinand III, was an Austrian soldier, administrator
known as William the Courteous (German: Wilhelm der Freundliche), a member of the House of Habsburg and Wilhelm, was Duke of Austria from 1386. As head
Hof- und Staatsdruckerei, Wien 1861, pp. 155. Oscar Criste: Wilhelm (Erzherzog von Österreich). In: Allgemeine Deutsche Biographie (ADB). Vol.55, Duncker