Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior elevations (1/4" = 1'-0")

Graphite on off-white wove paper

Pastel on cardboard

Black crayon and ink on paper

Black crayon on paper with irregular lower edge

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on cream wove paper pastedown of sketchbook cover

Watercolor and graphite on cream wove paper

Charcoal on blue wove paper

Graphite, pink and green pencil on white wove paper

Watercolor on brown paper

Watercolor and black ink on cream wove paper