Tower of Babel
1967
Tragedy of Seven
Transformation B
1950
Transformation of 64 squares
1974
Transformation of a relief surface
Transformation von 8 x 8 Quadraten
1973
Transh
Transjovian Pipeline
1979
Transmutations
Travelling through the square
1976
Triangle 9
1973
Try
1976
Tut Ench Amon
Twenty -System Human Figure Walking
1968
Twenty-Element Figure Placed in Cockpit Geometry
around 1966-69
Twist
1970-1975
Two Men on Edge
1988
Two Space
1979
Two Steinberg drawings transformed
Two Studies for Herbert W. Franke
1971
Two Thousand Improvisations
2000
Two scales of randomness
1967
Two-Color Plotter Graphic
1973
Ulmer Hocker
1954
Universal Declaration of Human Rights
Universal Mandala CS-1-6
Universal Mandala EL-1-17
Universal Mandala EL-1-59