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

Black marker on paper

Ink and applied type on paper, spatter-painted

Black and red marker and black pen on paper

Colored marker on paper

Black crayon on paper

Black ink on off-white modern laid paper

Black crayon on paper

Colored marker on paper

Black crayon on paper

Colored marker on paper

Graphite on paper

Graphite on paper