Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Exterior flood lights (1 1/2" = 1'-0" and full size)

Watercolor and white gouache over graphite on off-white wove paper

Black wash on tan wove paper

Graphite on paper

Graphite on off-white wove paper

Charcoal on blue laid paper

Black ink on off-white wove paper

Black ink on off-white wove paper

Black ink over charcoal on off-white wove paper

Black ink on tan wove paper (recto and verso)

Red and white chalk on blue-gray laid paper

Watercolor on ruled off-white wove paper

Black ink and colored chalk on thin buff wove paper