Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pergola - Upper garden: plan and elevations (1/2" = 1'-0")

Sketchbook with cardboard covers and spiral wire binding

Watercolor and graphite on off-white wove paper (recto and verso)

studies for Synagogue, pen and ink on paper

Black ink on off-white wove paper (recto and verso)

Black crayon on paper

Black ink on white wove paper

Watercolor over graphite on off-white wove paper

White tempera on acetate, black ink on off-white and cream wove paper (collage)

Graphite on thin off-white wove paper

Watercolor over graphite on heavy off-white wove paper

Graphite on off-white wove paper

Black chalk and graphite on off-white wove paper; verso: graphite and charcoal