Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior casework, study--room #117: elevations and sections (6" = 1'-0")

Watercolor over graphite on cream wove paper

Printer's ink and acrylic paint on cream wove paper

Graphite on paper

Graphite on off-white laid paper, mounted to cardboard

Graphite on paper with irregular left edge

Brown ink on off-white wove paper

Black chalk on off-white wove paper

Black crayon on thin off-white wove paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper (recto and verso)

Graphite and blue ink on yellow lined wove notebook paper

Graphite on blue paper