Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Typical windowsill details (full size)

Graphite on off-white wove paper

Graphite on paper

Crayon on paper

Black and gray ink, gray and brown wash, and graphite on cream wove paper

Black ink and charcoal on cream laid paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on cream wove paper

Black crayon on thin ivory wove paper

Graphite on paper

Gouache and blue crayon on dark cream wove paper, darkened