Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Northwest elevation, (1/4" =1'-0")

Graphite, with some stumping, on cream wove paper

Graphite on off-white wove paper

Graphite on paper

Black ink on cream wove paper

Black ink and graphite on off-white wove paper

Black ink and graphite on cream wove paper

Black crayon and charcoal on heavy off-white wove paper

Watercolor on off-white wove paper

Watercolor over graphite on blue laid paper

Watercolor and white gouache over graphite on off-white wove paper

Black ink and graphite on off-white wove paper

Graphite on paper