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

Graphite on paper

Charcoal on off-white laid paper

Watercolor on cream wove paper

Graphite on paper

Colored pencil on off-white card

Graphite on cream wove paper

Black crayon and ink on paper

Graphite on off-white wove paper mounted to off-white wove paper

Pastel on cardboard

Silver point

Watercolor, white gouache and graphite on off-white wove paper

Charcoal on off-white laid paper