Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Front entrance, details (1/2" , 1 1/2" , and 6" = 1'0")

Graphite and black ink on off-white wove paper

Red, brown, black and white conté crayon on ivory tracing paper

Watercolor and white gouache over black and colored chalk on ivory wove paper

Colored crayon on paper

Graphite on paper

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

Black ink on off-white wove paper

Graphite on off-white wove paper

Black ink and graphite on off-white wove graph paper

Black ink and graphite on off-white wove paper; verso: black ink

Black ink and graphite on off-white wove paper

Pastel on off-white wove paper