Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Lighting detail at window head (full size)

Graphite on blue-flecked gray laid paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on cream wove paper

Watercolor over graphite on cream wove paper

Watercolor and white gouache over graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on buff laid paper

Black ink and gray wash on yellow laid paper

Black ink on cream laid ppr, mounted to brown wove ppr, then to orange wove ppr

Charcoal and purple and white chalk on brown wove paper

Watercolor over graphite on white wove paper