Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Plot plan with retaining wall details, (1" =20' and 1/4" = 1'-0")

Black fiber-tip ink on off-white wove paper

Black ink and black crayon on off-white laid paper

Graphite on buff wove paper

Graphite on off-white wove paper

Gray wash over graphite on blue wove paper

Charcoal on paper

Graphite on paper

Watercolor and graphite on white wove watercolor paper

Charcoal on off-white laid paper

Graphite, gouache, crayon, silver and black ink on white wove paper

Typewritten text on hole-punched cream wove paper in mylar sheet protector

Graphite on off-white wove paper