Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Details of main stair (1/2" , 3" = 1'-0" and full size)

Black, brown and purple crayon on paper

Black ink and yellow chalk on off-white wove paper

Acrylic, ink, and graphite on mylar

studies for Synagogue, pen and ink on paper

Graphite on off-white wove paper

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

Graphite on buff wove paper mounted to buff cardboard

Graphite on paper

Copperpoint with fire and smoke on prepared paper

Charcoal on off-white laid paper

Black ink and graphite on white paper

Graphite on buff wove paper