Drawings

Untitled 1953 Untitled #220 1957 Untitled Quartet 1960 Untitled Ink # 1960 Untitled Ink #681 1960 Untitled Ink #709 1968 Untitled Ink #717 1970 Untitled 1970 Untitled 1972 Mill Pond I 1972 Symmetry #21 1975 Untitled (596) 1981 #3 White Mandala/Square 1982 Untitled Pastel #47 1987 Untitled #19 1992 Untitled (556) 1999 Untitled 1986 Untitled #215 1996 Hex/Round 2002 Untitled (616) 2004 Untitled Whorl 2010 Untitled 643 2013 Redrays 2015 Untitled Spectrum 2018