Bibliografía (10 obras)
Einführung in die Kunstgeschichte
2015
Spider
2010
New Objectivity (Midsize)
2003
Public Monuments
1998
Nueva Objectivided/New Objectivity
1996
New objectivity
1994
New Objectivity (Big Series : Art)
The Reformation and the visual arts
1993
Neue Sachlichkeit
1992
Protestanci a sztuka
1989