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

Black ink and black wash on tan wove paper

Watercolor over graphite on off-white wove paper

Watercolor on paper

Graphite on translucent vellum paper

Black ink on off-white wove paper

Crayon on discolored cream wove paper

Graphite on paper

Graphite on tan wove paper

Watercolor over graphite on heavy off-white wove paper

Watercolor and graphite on white wove paper

Paper bound sketchbook

Graphite on off-white wove paper