Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Location of reading lights in study: elevation (1/2" = 1'-0")

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

Graphite on paper

Acrylic paint on paper

Graphite on tracing paper

Graphite on paper

Graphite on off-white wove paper

Black ink and gray wash on beige wove paper

Charcoal on off-white wove paper

Collage of fern leaves on red wove paper

Gray wash on off-white wove paper, mounted on off-white wove paper and cardboard

Black ink on cream wove paper

Black crayon and ink ; black crayon on paper