Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: General layout of mechanical and boiler equipment: plan and sections (1/4" = 1'-0" )

Crayon on paper

Graphite on paper

Black ink and graphite on thin buff wove paper

Black ink on off-white wove paper

Graphite on off-white wove paper

reproduction of a red chalk drawing

Watercolor on white wove paper

Beeswax, graphite, detritus and debris on wove paper

Graphite and gesso on paper

Black ink and white-gray gouache on grayish-white textured wove paper

Watercolor over graphite on white wove paper

Pastel on cream wove paper