3
4
published 2003
Software CD-ROM
5
Published in Wallraf-Richartz-Jahrbuch (2001)
BookPart
6
published 2000
Video Tape Film
7
published 1998
Video Tape Film
8
published 1996
Journal
9
BookPart
10
BookPart
11
BookPart
12
BookPart
13
Published in Fama (1995)
BookPart
14
BookPart
15
BookPart
16
17
18
published 1928
Journal