Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Location of stone retaining walls with cedar screens: plan and sections (1" = 1'-0")

Black ink and white gouache over graphite on off-white wove paper

Paper dots numbered in black ink and mounted on blue/white graph wove paper

Black ink over graphite on cream wove paper

Black marker on graph paper

Mixed media on paper

Graphite on off-white heavy wove paper

Graphite on off-white wove paper

Black ink over graphite on cream wove paper

Black ink on off-white wove paper

Black ink on cream wove paper

Graphite on paper

Graphite on off-white wove paper