Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Northwest elevation (proposed alteration) (1/4" = 1'0")

Black ink and charcoal on cream laid paper

Colored pencil on paper

Graphite on buff wove paper

Black ink on cream wove paper

Black chalk over a blue ink grid on cream wove paper

Graphite on paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Watercolor over graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Black ink on off-white wove paper

Black ink on off-white wove paper

Black ink and graphite on off-white wove paper