Untitled (Study for "15 Serial Rows of Equal Amounts of Color with Bright Emphasis")

Black ink and graphite on cream wove paper

Graphite on cream wove paper

Watercolor on paper

Graphite, ink, acrylic, on paper

Graphite on cream wove paper

Watercolor on white wove paper

Graphite on cream wove paper, darkened

Graphite on white card

Pen and ink on paper

Watercolor and gouache on white wove paper