Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior casework details, study - room #117: elevations, isometric, and sections (1 1/2" and 6" = 1'-0")

Watercolor over graphite on off-white wove paper

Black ink and oil on thin off-white wove paper, mounted on ivory wove paper

Watercolor on off-white wove paper

Pastel over traces of charcoal on gray wove paper

Black crayon on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Graphite on buff wove paper

Graphite on off-white wove paper

Charcoal on off-white laid paper

Watercolor, white gouache and graphite on off-white cardboard

Sketchbook with cardboard backing, heavy paper cover, and spiral wire binding

Black ink and gray wash on ivory paper laid down on white board