Untitled (graphite transfer, left page); Untitled (Maximilian Bridge in Munich, right page)

Black crayon on paper

Ink on paper

Graphite on paper

Graphite on paper

Ink and gray wash on paper

Colored marker on paper

Charcoal on paper

Graphite and colored crayon on paper

Black, blue, and yellow crayon on paper

Black, blue and olive crayon on paper

Colored marker and black pen on paper

Colored marker on paper