Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Curtained enclosure - roof deck 308: plan, elevation, and details (1/2" = 1'-0" and full size)

Graphite on paper

Charcoal on paper

Graphite on off-white wove graph paper

Charcoal and brown ink on cream wove paper, set down to blue-gray card

Black crayon on paper

Graphite on cream wove paper

Watercolor, graphite wash and black crayon on off-white wove paper

Graphite on cream colored paper torn from a spiral notebook

Graphite on paper

Graphite on off-white wove paper

White and black conté crayon on gray wove paper

Red tempera on acetate