Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Method of securing structural glass at head of bathroom windows: details (full size)

Watercolor and graphite on heavy off-white wove paper

Metalpoint and gold leaf on white wove paper prepared with white acrylic gesso

Graphite on off-white wove paper

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

Graphite on blue-flecked cream laid paper

Graphite on paper

Black colored pencil? conte? on cream wove paper

Colored pencil and graphite on white wove paper

Watercolor and graphite on white wove paper

Graphite and ink on paper

Black ink on off-white modern laid paper