Untitled (graphite transfer, left page); Untitled (bridge at Nymphenburg Palace, Munich, right page)

Graphite on paper

Black crayon on paper

Black ink and gouache, over graphite, on cardboard

Colored crayons on paper

Colored marker on paper

Ink and applied type on paper

Black marker on paper

Black ink on translucent vellum paper

Black marker on paper

Black crayon on paper

Graphite on paper

Colored marker on paper