Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Desk - room #210 and bookcase: plan, sections, and elevations (1 1/2" and 6" = 1'-0")

Black crayon and ink on paper; black ink on paper

Colored pencil and graphite on cream wove paper

Graphite on off-white wove paper

Charcoal on cream laid paper

Watercolor and graphite on off-white wove paper

Watercolor and black chalk on off-white wove paper

Graphite and gesso on paper

Black ink and graphite on off-white wove paper

Graphite with extensive erasure, rubbing and scratchwork on off-white wove paper

Graphite on coated off-white wove paper

Graphite on off-white wove paper

Charcoal on blue laid paper