Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Elevator cab: plan and elevations (1 1/2" = 1'-0")

Graphite on off-white wove paper

Turpentine wash with oil on off-white wove paper?

Charcoal on off-white laid paper

Charcoal on white wove paper

Graphite and black and blue watercolor on off-white wove graph paper

Black ink on white wove paper

Black and colored crayons on paper

Black ink on tan wove paper

Graphite on off-white wove paper

Graphite on cream wove paper

Graphite on paper

Black crayon on paper