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

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

Watercolor on off-white wove paper

Red crayon on heavy off-white wove paper

Graphite on paper

Pastel and compressed charcoal on off-white paper

Red crayon on off-white wove notebook paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper

Mixed media mounted on masonite and wood supports

Watercolor and white gouache over graphite on off-white wove paper

Watercolor over graphite on two pieces of white wove paper