Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Lower pool in garden: plan and sections (1/2" = 1'-0")

Black ink on tan wove paper

Crayon on paper and mounted

Black ink on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Gray wash on off-white wove paper

White hammered marks on orange transfer paper

Watercolor over graphite on off-white wove paper

Black ink and graphite on thin buff wove paper

Graphite on off-white wove paper

Graphite on cream wove paper

Graphite on cream wove paper laid down to off-white wove paper