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

Gouache and collage elements on paper

Graphite on paper

Graphite on paper

Black crayon on paper

Black crayon on paper

Colored marker on paper

Black marker on paper

Black crayon on paper

Black marker on paper

Colored crayons on paper

Graphite on paper

Graphite with black and blue crayon on paper