Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Window hardware details (full size)

Transparent and opaque watercolor and graphite on white wove paper

Graphite on off-white wove paper

Graphite on paper

Beeswax, graphite, detritus and debris on wove paper

Watercolor over graphite on off-white wove paper

Charcoal on off-white wove paper

Graphite with touches of red crayon on off-white wove paper

Black ink on cream wove paper

Graphite on paper

Graphite and white chalk on blue-gray laid paper

Graphite and ink on paper

Black ink on off-white wove paper