Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door details, peepholes (full size)

Black ink, graphite, and yellow chalk on cream wove paper

Graphite on off-white wove paper

Oil on paper

Graphite on paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Charcoal with extensive stumping on blue modern laid paper

Black ink and black wash on off-white moderately textured wove paper

Graphite and white pastel on gray-green wove paper

Charcoal on heavy buff wove paper

Colored crayons ; black crayon on paper