Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop wall and sill: details (full size)

Watercolor over graphite on off-white wove paper

Watercolor, graphite wash and graphite on off-white wove paper; verso: graphite

Graphite on paper

Black ink on tan wove paper

Black ink on white wove paper

Graphite on off-white wove paper

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

Graphite on paper

Graphite on paper

Black ink on off-white wove paper

Watercolor, gouache, acrylic ink & gold leaf on off-white Arches 100% rag paper

Watercolor on beige Asian paper mounted to white paper mounted to canvas