Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Mirrors: plans, elevations, sections, and mirror schedule (1/2" , 3/4", 6" = 1'-0" and full size)

Crayon on paper

Watercolor on off-white wove paper

Black ink, watercolor, and charcoal on cream wove paper

Graphite on off-white wove paper

Watercolor and black chalk on heavy off-white wove paper

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

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor, wax crayon and red pencil on orange wove paper

Graphite and black chalk on off-white wove paper

Charcoal on cream laid paper

Graphite on off-white wove paper; verso covered in red chalk for transfer