Gerhard Richter (CON)/ Dieter Schwarz/ Hans Ulrich Obrist (CON)
(1)
Hans Peter Richter/ Edite Kroll
(1)
Hans Richter and Michael White
(1)
Hans Ulrich Obrist (CON)/ Gerhard Richter (CON)
(1)
Hassan Massoudy (ILT)/ Lara Frankena (TRN)/ Venetia Porter (INT)/ Hans-Joachim Richter (PHT)
(1)
Peter M. Daly (EDT)/ Hans Walter Frischkopf (EDT)/ Trudis E. Goldsmith-Reber (EDT)/ Horst Richter (EDT)
(1)