1960s
69WN 4 1969 pure watercolor pigment on paper 30 x 22 inches
68WR 70 1968 pure watercolor pigment on paper 18 x 24 inches
68WR 69 1968 pure watercolor pigment on paper 18 x 24 inches
68WR 17 1968 pure watercolor pigment on paper 18 x 24 inches
65WR 100 1965 pure watercolor pigment on paper 18 x 24 inches
68WN 12 1968 pure watercolor pigment on paper 22 x 30 inches
64WR 39 1964 pure watercolor pigment on paper 18 x 24 inches
62WR 100 1962 pure watercolor pigment on paper 18 x 24 inches
62WR 16 1962 pure watercolor pigment on paper 18 x 24 inches -
69WN 37 2418 BlGy
69WN 12 2418 Bl
69WN 7 3022 RS
69 WN 101 2418 BlW
69 WN 100 2418 BlW
69 WN 13 1824 BlW
69 WN 11 2418 BlW
69 WN 9 3022 BlW
69 WN 8 3022 BlW
68WN 64 1824BuR
68WN 63 1824 BrG
68WN 59 2418 RBl
68WN 36 2230 YR
68WN 23 1824 RuBu