Sketchbook paintings 1961
   Paintings on canvas 1961-64
     Paintings on paper 1961-1964
     Metal constructions 1964-1965
     
   Leland Polygons 1979-1980
   "The Names" - paintings on paper 1981             
     Small Reliefs 1981-1983
     Grids 1985-86
     
     Chac Drawings 1988
     Watercolors 1990