Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Curved stair window and adjoining door: plan and details (1/2" , 1 1/2, 3", 6"= 1'-0" and full size)

Off-white card

Ink and casein (?) on white wove paper

Charcoal on blue laid paper

Charcoal on cream laid paper

Black ink, black crayon, and graphite on off-white cardboard

Pastel and graphite on folded and layered brown wove paper

Graphite on paper

Graphite on paper

Graphite on paper

Black ink on cream wove paper

Watercolor on cream wove paper

Graphite on paper