1980.04
CrownPoint
1980.05
Eight Squares with a Different Color in Each Half Square (Divided Horizontally and Vertically)
1980.06
Eight Squares With a Different Color in Each Half Square (Divided Vertically and Horizontally) Composite
1980.07
Four Part Combinations of Geometric Figures in Four Colors
1980.08
Four Part Combinations of Geometric Figures in Four Colors
1980.09
Four Part Combinations of Geometric Figures in Four Colors
1980.10
Six Geometric Figures and All Their Combinations
1980.11
Six Geometric Forms
1980.12
Windows
1980.13
Untitled
1981.01
A Square for Each Day of the Seventies
1981.02
Lines in Two Directions & In Five Colors on Five Colors with All Their Combinations
1982.01
Nine Geometric Figures (White Lines on Black)
1982.02
A Square Divided Horizontally and Vertically into Four Equal Parts, Each with a Different Direction of Alternating Parallel Bands of Lines
1982.03
Five Forms Derived From a Cube
1982.04
Forms Derived from a Cube
1982.05
Geometric Form Derived from a Cube (Isometric Trapezoid)
1982.06
Statues (a Melodrama)
1983.01
Doubles in Black and Gray
1983.02
Double Stars
1983.03
Stars – Red Center
1983.04
Stars – Blue Center
1983.05
Stars – Light Center
1983.06
Stars – Dark Center
1983.07
The Four Sides of the Tower for the Community Activities Center, Davenport, Iowa
