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

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

Watercolor over graphite on off-white wove paper

Graphite on paper

Graphite on cream wove paper

Colored crayons on paper

Charcoal and red crayon (?) on off-white wove paper

Ink and graphite on paper

Black ink and gray wash on off-white wove paper

Incised line and Aquarelle on white wove paper

Oil and alkyd on board

Watercolor over graphite on off-white wove paper

Graphite on paper