Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Main stairs: plans, elevation and sections (1/2" , 3" =1"-0" )

Charcoal on cream laid paper

Watercolor and white gouache on blue wove paper, mounted on buff wove card

Graphite and dyes (yellow and red inks) on 100 lb. coated stock paper

Black ink on tan wove paper

Graphite, chalk, and wax on white wove paper

Graphite and red chalk with touches of black ink on off-white tissue paper

Graphite on off-white wove paper

Graphite on paper

Graphite on blue wove paper

Graphite on cream laid paper

Charcoal on blue laid paper

Graphite on tan wove paper