Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door frames in concrete walls: sections and elevation (3/8" =1'-0" and full size)

Graphite on off-white wove paper

Graphite on paper

Black ink on cream wove paper

Watercolor and white gouache over graphite on heavy beige wove paper

Graphite on off-white wove paper

Carbon paper transfer, graphite and white chalk on cream wove paper

Colored crayons on paper

Black, red, and white chalk, brown wash, and charcoal on off-white laid paper

Graphite on buff wove paper

Black crayon on off-white laid paper

Black crayon on off-white wove paper

Graphite on off-white wove paper (recto and verso)