Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Site plan

Graphite on paper

Watercolor over graphite on cream wove paper

Charcoal on cream laid paper

Colored pencil, graphite, and watercolor on thin off-white wove paper

Black crayon and ink on paper; black crayon on paper

Black and blue ballpoint ink and graphite on off-white wove paper

Black crayon on paper

Brown ink and wash over graphite on ivory wove paper

Graphite on cream laid paper

Watercolor on off-white wove paper

Black ink on cream wove paper

Black ink on white wove paper