Tony Longson
CRS
1975

Ruth Leavitt
Diamond Variation I
1975

Ruth Leavitt
Diamond Variation
1975

Herbert W. Franke
Farbraster 74
1975

Herbert W. Franke
Farbraster 75
1975

Harold Cohen
Machine and Four Hands
1975

Night Scene
1975

Manfred Mohr
P-163-A1
1975

Roger Coqart
Permutable
1975

Joan Truckenbrod
Poesis
1975

Barbara Nessim
Sketchbook
1975

Karl Gerstner
untitled
1975

Vera Molnar
untitled
1975