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

Colored pencil, crayon, and graphite on cut brown paper bag

Black ink on cream wove paper

Gouache and black ink on cream cardstock

Black chalk on off-white wove paper

Graphite and ink on paper

Graphite on off-white wove paper

Graphite on paper

Graphite and acrylic on white wove paper

Watercolor on heavy off-white wove paper

Graphite, watercolor, and crayon on white wove paper

Graphite, red and blue ink on yellow lined wove notebook paper

Graphite on paper