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

Black ink on off-white wove paper

Graphite, watercolor and gray wash on cream wove glossy paper

Black ink on off-white wove paper

Tempera on purple construction paper

Watercolor and red ink lines on white wove paper

Ink and graphite on paper

Sketchbook with black-leather-covered cardboard covers

Graphite and charcoal on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Black and red inks and graphite on tracing paper

Acrylic paint on paper