Publications
Das Reich der Staufer
Baumgärtner, I.
Lorenz, R., ed., 'Das Verdämmern der Macht. Vom Untergang großer Reiche', Frankfurt am Main, 60-81 (2007) [pdf]
The Invention of the Columnar Device of Emperor Charles V at the Court of Burgundy in Flanders in 1516
Rosenthal, E.
Journal of the Warburg and Courtauld Institutes, 36() 198-230 (1973)
Plus ultra, non plus ultra, and the Columnar Device of Emperor Charles V
Rosenthal, E.
Journal of the Warburg and Courtauld Institutes, 34() 204-228 (1971)