Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Penthouse floor plan, 1:100

Graphite on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Graphite on paper

Graphite and black chalk on off-white wove paper

Black ink and charcoal on yellow wove paper mounted to cardboard

Crayon on paper

Black ink on tan wove paper

Black ink, graphite, and yellow chalk on cream wove paper

Charcoal on blue laid paper

Silverpoint on acrylic gesso ground on Strathmore paper

Black ink on off-white wove paper

Graphite and blue pencil on off-white wove paper