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

Charcoal and black ink on cream laid paper

Brown chalk on off-white wove paper

Graphite on heavy blue wove paper

Oil on white primed paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Black crayon on Japanese paper

Graphite on paper

Watercolor, pastel and charcoal, with some scoring, on white wove paper

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

Black ink, graphite, and yellow chalk on off-white wove paper