Uwe Wittwer - PaintingsEitenne Lullin, Ben Tufnell, Jürg Judin, Urs Wittwer, Etienne Lullin · First published 2012Open the Tome
Naturalmente!Moël Volken, Urs Wittwer, Kurt Wiesendanger, Aids-Hilfe Schweiz, Pink Cross · First published 2005Open the Tome
