Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Plot plan with retaining wall details, (1" =20' and 1/4" = 1'-0")

Oil paint, charcoal, pressure-sensitive tape collage elements on wove paper

Black ink on tan wove paper

Black ink on off-white card

Watercolor over graphite on off-white wove paper

Black ink on pale buff wove paper

Black ink over graphite on off-white wove paper

Graphite on green tracing paper (recto and verso)

Watercolor and graphite on white wove paper

Graphite on off-white wove paper

Charcoal on cream laid paper

Watercolor and graphite on white wove paper

Watercolor and graphite on off-white wove paper (recto and verso)