Sketch for the 1967 performance at the Walker Art Center entitled "The Proliferation of the Sun"

Black crayon on paper

Graphite on paper

Blue crayon on paper

Graphite and colored crayons on cream wove paper

Black and red marker on paper

Ink on gelatin silver print

Colored marker on paper

Graphite and colored pencils on paper

Colored marker on paper

Black marker on paper

Graphite and colored crayons on off-white wove paper

Graphite and watercolor on paper