Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Suggested revision of study terrace, first floor: elevations, section, and details (1/4" and 3" =1"-0" )

Ink on paper

Black ink, charcoal, watercolor, and watercolor pencil on cream laid paper, edges taped

Graphite on off-white wove paper

Pastel and compressed charcoal on off-white paper

Black crayon on thin brown wove paper

Graphite on paper

Graphite on off-white wove paper

Charcoal, gouache (or poster paint), and crayon on buff wove paper

Ink and graphite on paper

Conté crayon and graphite on cream wove paper; verso: graphite

Brown ink, gray wash, and colored chalk over graphite on off-white cardboard

Gouache and graphite on white Fome-Cor