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

Graphite on cardboard

Graphite on paper

Watercolor over graphite on off-white wove paper, affixed to cardboard

Watercolor over graphite on off-white card

Black ink and colored chalk? on cream wove paper

Graphite on off-white wove paper

Graphite, black ink and an area of black spatter on off-white wove paper; verso: graphite

Watercolor over graphite on off-white wove paper

Gouache on off-white wove paper

Charcoal and white chalk on brown laid paper

Graphite on blue-flecked cream laid paper

Black ink and watercolor pencil on cream laid paper, edges taped