Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Plans (reflected) showing bathroom grilles (1/2" = 1'-0")

Graphite on heavy white wove paper

Black ink on cream wove paper

Graphite on paper

Graphite on paper

Black crayon on heavy off-white wove paper

Watercolor on cream wove paper

Black ink over graphite on paper

Brown and black chalk and brown ink on cream laid paper; verso: brown chalk

Mixed media on paper

Graphite on heavy off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper