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

Graphite on paper

Black ink on off-white Japanese paper

Black ink and charcoal on cream laid paper

Watercolor over graphite on off-white wove paper

Black, white and brown chalk on blue paper

Black ink on off-white wove paper

Graphite on paper

Graphite on heavy off-white wove paper

Ink wash, black chalk, graphite, and white gouache on cream laid paper

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Black ink on cream wove paper

Graphite on off-white wove paper