Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: State of rough excavation: plan (1" = 1'-0")

Brown ink and wash and watercolor over graphite on buff card

Graphite and gesso on paper

Watercolor and graphite on white wove paper

Black and red fiber-tip pen and blue ink on spiral notebook paper

Graphite on paper

Graphite on paper

Black colored pencil on cream wove paper

Graphite on tan wove paper

Black crayon on Japanese paper

Charcoal on blue wove paper

Watercolor and colored pencil on off-white wove paper

Graphite on paper