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

Black and red marker on paper

Black and red marker on paper

Colored pencil, colored crayon, red and black inks, graphite, on tan wove paper

Graphite and colored pencil on paper

Graphite on off-white wove paper

Graphite on paper

Colored crayons on paper

Black crayon on paper

Graphite on paper

Graphite and blue crayon on paper

Ink on paper

Colored marker on paper