Apartment Building, Paris, 1930-1931: Ground floor plan and elevation, 1:200

Colored marker on paper

Olive, blue and gray crayon on paper

Charcoal on cream wove paper

Graphite on paper

Graphite with brown and blue crayon on paper

Graphite on paper

Graphite on paper

Ink on paper

Mixed media

Graphite on paper

Graphite and crayon on paper

Graphite, colored pencil, blue ink, on vellum