Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop wall and sill: details (full size)

Black crayon on off-white laid paper

Graphite on off-white wove paper

Black ink and white gouache on cream wove paper

Black ink on off-white wove paper

Graphite and blue crayon on paper

Graphite on off-white wove paper

Black crayon on dark green-brown wove paper

Brown ink and wash on thin cream wove paper

Ink and collage on paper

Sketchbook with cardboard covers and spiral wire binding

Graphite on white wove paper

Graphite on off-white wove paper