Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Splay in: plan and section (1/2" = 1'-0" and full size)

Black ink on off-white wove paper

Watercolor and graphite on layered off-white wove paper

Graphite on paper

Colored crayons on paper

Graphite on white wove paper, sprayed with fixative

Brown ink and wash with accents in black wash on buff modern laid paper

Graphite on cream wove paper pastedown of sketchbook cover

Sketchbook with red cloth-covered cardboard covers

Colored crayons on paper mounted

Black crayon and ink on paper

Black ink and black wax crayon on off-white wove paper

Graphite on paper