Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Railing connections to building (full size)

Watercolor and graphite on thin cream wove paper

Watercolor and black ink on white laid paper

Black ink on white wove paper

Graphite wash, watercolor and black crayon on off-white wove paper

Gouache on acetate film affixed to cardboard

Watercolor over graphite on off-white wove paper

Black marker on graph paper

Watercolor and graphite on white wove paper

Watercolor over graphite on off-white wove paper

Graphite on heavy weight, white card stock (Strathmore Bristol board)

Black ink and pen on cream-colored rag paper

Black ink on white wove paper