#150 DC Space — Tiger Cry, 1978. Acrylic on canvas, 54 7/8 x 74 7/8 (139.4 x 190.2 cm). Estate of Sheila Isham, New York. Image courtesy of Hollis Taggart Gallery, New York.

A Lifeless Wave, 1978. Acrylic on canvas, 58 in. (147.3 cm) (diameter). Estate of Sheila Isham, New York. Image courtesy of Hollis Taggart Gallery, New York.

#108, 1978. Acrylic on canvas. Estate of Sheila Isham, New York

#136 Sagg, 1978. Acrylic on canvas, 58 in. (diameter). Private Collection

#114 Tranquil Command, 1978. Acrylic on canvas, 81 ½ in. (207 cm) (diameter). Estate of Sheila Isham, New York

#122, 1978. Acrylic on canvas, 86 1/2 in. Estate of Sheila Isham, New York

Pierce Blue — Place Blue, 1978. Acrylic on canvas, 54 1/4 in. (137.8 cm) (diameter). Estate of Sheila Isham, New York. Image courtesy of Hollis Taggart Gallery, New York.

#146 DC Space — “The Grass Tried to Reach the Sky,” 1978. Acrylic on canvas, 62 3/4 x 44 in. (159.4 x 111.8 cm). Estate of Sheila Isham, New York. Image courtesy of Hollis Taggart Gallery, New York.