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

Black ink and gouache on cream wove paper

Graphite on cream wove paper

Graphite on paper

Charcoal on off-white laid paper

Spiral bound sketchbook

Graphite on blue-green laid paper

Charcoal on blue-gray laid paper

Pastel on brown wove paper

Gray wash over graphite on blue wove paper

Watercolor over graphite on heavy off-white wove paper

Graphite on paper

Black ink on cream laid paper