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

Black ink on off-white wove paper

Graphite on paper

Black ink and graphite on off-white wove paper

Graphite on paper

Charcoal on off-white laid paper

Unbound sketchbook

Oil and gouache on off-white wove paper

Graphite on darkened wove paper

Black ink and charcoal on cream modern laid paper

Black ink on off-white wove paper (recto and verso)

Watercolor and graphite on cream wove paper; verso: black ink and graphite

Black crayon and ink on paper; black ink on paper