Letter (page 3), from the portfolio "Letter and Indices to 24 Songs"

Colored marker, blue and black pen, printed architectural drawings, paper, and adhesive on paper

Blue and black marker on paper and translucent film

Graphite on paper

Black marker on paper

Ink and applied type on paper

Graphite on paper

Black, purple, and pink crayon on paper

Graphite on cream wove paper

Graphite and blue crayon on paper

Colored marker and black pen on paper

Graphite on paper, mounted

Graphite on paper