Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Ground floor plan and sections (1/4" = 1'-0")

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor over graphite on heavy off-white wove paper

Gouache on off-white wove paper

Graphite on buff wove paper

Watercolor and graphite on white wove paper

Graphite, watercolor and gray wash on cream wove glossy paper

Graphite on paper

Charcoal on gray-blue laid paper

Pastel over traces of charcoal on gray wove paper

Watercolor and graphite on off-white wove paper

Graphite on paper