Tony Longson
CRS
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

Norman White
Splish Splash Two
1975

Karl Gerstner
untitled
1975

Vera Molnar
untitled
1975