Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Terraces G and C: plans and elevations (1/4" , 1/2" = 1'-0" and full size)

Black marker on graph paper

Graphite on darkened off-white wove paper

Black ink and black wash on tan wove paper

Graphite on cream wove paper

Watercolor on off-white card

Black crayon on cream laid paper

Graphite on paper

Watercolor and white gouache on off-white wove paper, mounted to cardboard

Graphite on cream wove paper

Crayon on paper

Watercolor and graphite on white wove paper

Graphite on cream tracing paper