Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop #04: plan and elevations (1/2" = 1'-0")

Black ink on off-white wove paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Graphite on paper

Black felt-tipped pen on yellowed newsprint paper

Black ink and gray wash on cream laid paper mounted to brown wove paper

Watercolor, graphite wash and black crayon on off-white wove paper

Watercolor over graphite on off-white wove paper, mounted to off-white cardboard

Watercolor and crayon on off-white wove paper

Black ink, charcoal, and watercolor on cream laid paper, edges taped

Crayon on paper