Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Sash revision, master bedroom: plan, elevation, section (1/2" =1"-0" )

Charcoal on off-white laid paper

Turpentine wash with oil on off-white wove paper

Crayon on paper

Sketchbook with beige cloth covers and Fabriano paper pages

Pastel on composition board

Graphite on paper

Opaque watercolor and graphite on cream wove paper mounted to cardboard

Crayon on paper

Graphite on paper

Charcoal, white pencil, red and blue watercolor (or ink) on off-white wove paper

Graphite on off-white wove paper

Charcoal on cream wove paper