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

Red conté crayon on ivory tracing paper

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

Black crayon and ink on paper; black crayon on paper

Collage of cut and printed colored papers mounted to brown coated paper

Black ink on off-white wove paper

Black crayon on off-white wove paper

Black ink on cream wove paper

Graphite on paper

Crayon on paper

Gray tempera, black ink, graphite, and scratchwork on off-white wove paper; verso: black ink and graphite

Graphite on off-white wove paper

Oil(?) paint, pastel, and graphite on paper