Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Longitudinal section (1/4" =1"-0" )

Watercolor on off-white wove paper

Black chalk on off-white wove paper

Black ink and watercolor pencil on white paper

Silverpoint on off-white prepared paper

Watercolor and white gouache over graphite on buff laid paper

Collage

Graphite on off-white wove paper

Graphite on white wove paper

Watercolor and black chalk (?) on cardboard

Graphite on graph paper

Black and colored crayon on off-white wove paper

Black ink, watercolor, and graphite on handmade cream wove paper