Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Hall closets - second floor: plans, elevations, and sections ( 1 1/2" = 1'-0")

Graphite on blue wove paper

Graphite on cream wove paper

Graphite on off-white wove paper mounted to cardboard

Charcoal on cream laid paper

Graphite on paper

Colored crayon with scratchwork on off-white illustration board

Watercolor and oil over graphite on off-white wove paper

Brown ink and wash and watercolor over graphite on buff card

Charcoal on blue-gray laid paper

Watercolor and graphite on off-white wove paper

Oil on very thin, fibrous paper, set down on heavier paper

Graphite on paper