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

Rice and mulberry paper

Watercolor and graphite on white wove paper

Watercolor, graphite wash and black crayon on off-white wove paper

Gray wash over graphite on heavy off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Graphite on white wove paper

Graphite on paper

Charcoal on buff modern laid paper

Graphite on paper

Graphite on off-white wove paper

Black and red fiber-tip pen and blue ink on spiral notebook paper