Stewf:
Barrio (1976 Zipatone catalog)
Stewf:
G.K.W. Computer (1976 Zipatone catalog)
Stewf:
Rabble (1976 Zipatone catalog)
Stewf:
Paper Clip (1976 Zipatone catalog)
Stewf:
Sacher by Gustav Jäger (1976 Zipatone catalog)