Untitled (bleed-through of previous page and Vienna Biennale '79 sticker, left page); Untitled ("nighttime sky event" at 1979 Vienna Biennale, right page)

Graphite on paper

Graphite on postcard

Graphite on paper

Black ink and red chalk over graphite on off-white wove paper

Graphite on paper

Colored marker, blue pen on paper, and adhesive on paper

Colored marker on paper

Colored marker on paper

Mixed media

Graphite on paper

Graphite and green pencil on paper

Ink with blue and green crayon on paper