Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Living room fireplace plan (1 1/2" = 1'-0")

Graphite on off-white wove paper

Charcoal on off-white laid paper

Charcoal on off-white wove paper

Watercolor over graphite on off-white wove paper

Watercolor and brown ink on cream illustration board

Black crayon and gray wash with graphite on cream wove paper

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

Black ink and gray wash on off-white wove paper

Graphite on off-white wove paper

Black chalk over a blue ink grid on cream wove paper

Charcoal on cream laid paper

Black ink on off-white wove paper