Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Scale indication for Chatillon Scale (full size)

Graphite, crayon and colored pencil on paper

Watercolor on off-white wove paper

Black ink on off-white wove paper (recto and verso)

Black ink on off-white wove paper

Graphite on paper

Charcoal on blue laid paper

Black crayon on paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Black ink and white-gray gouache on grayish-white textured wove paper

Red chalk on off-white laid paper

Oil on tracing paper