Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Exterior stone through rear entrance; part of southeast elevation (1/2" = 1'0")

Black ink on thin cream wove paper

Graphite on paper

Graphite on buff wove paper

Acrylic paint and wash on off-white wove paper

Graphite on paper

Charcoal on off-white laid paper

Black ink and colored and black chalk on off-white wove paper

Black chalk on buff wove paper

Crayon on paper

Black chalk on cream laid paper

Graphite on paper

Graphite on cream wove translucent paper