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

Graphite on ivory wove paper

Graphite on paper

Black ink over graphite on off-white tracing paper

Graphite, conté crayon and found fiber on handmade paper

Graphite on paper

Black ink, graphite, and red and blue pencil on off-white wove paper

Unfixed pastel on paper

Black crayon on paper

Graphite and gesso on paper

Watercolor on white wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on green wove paper, discolored