Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Suggested revision of study terrace, first floor: elevations, section, and details (1/4" and 3" =1"-0" )

Graphite on cream laid paper

Graphite on ivory laid paper

Graphite and black and red fiber-tip ink on off-white velour paper

Watercolor over graphite on cream wove paper

Graphite and brown crayon on off-white wove paper

Graphite on paper

Black ink on tan wove paper

Colored crayons on paper and mounted

Graphite on cream laid paper

Graphite, white gouache and gray wash on buff wove paper

Black ink on tan wove paper

Graphite and black watercolor on tan wove paper