Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Perspective from corner of southwest terrace toward corner pavilion showing concealment of neighbor's garage

Black ink on off-white wove paper

Graphite on off-white wove paper (recto and verso)

Black crayon and ink on paper

Black ink, white gouache, and black crayon on off-white laid paper

Graphite on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Oil? pastel sketches on ruled paper taken from spiral notebook

Colored crayons on paper

Graphite, pastel and gunpowder on white paper

Crayon on paper

Graphite on paper