Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Wood screen door: elevation and details (3/4" = 1'-0" and full size)

Black, blue and brown crayon on paper

Graphite on cream laid paper

Colored chalks over graphite on buff cardboard

Colored crayons on paper

Mixed media on paper

Red ink on off-white wove paper

Charcoal on cream laid paper

Charcoal on blue laid paper

Graphite on cream wove paper

Watercolor and gouache on off-white wove paper

Sketchbook with cardboard covers and spiral wire binding

Graphite on paper