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

Watercolor on off-white wove paper

Watercolor over graphite on off-white wove paper, mounted to off-white cardboard

Gray pastel with incised lines on white wove paper

Graphite on tracing paper

Black ink and graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on paper

Acrylic, graphite, and computer print-out on off-white wove paper

Gray wash over graphite on off-white wove paper

Graphite on paper

Graphite on paper

Graphite on paper