Halle Civic Center, Museum, and Stadium, Halle, 1927-1928: Civic center, acoustical study: floor plan, 1:200

Black crayon on paper

Mixed media

Paper

Graphite and black crayon on paper

Ink and watercolor on paper

Graphite and watercolor on paper

Graphite on paper

Graphite on paper

Watercolor and black ink on off-white wove paper and handwritten note mounted to wood pulp board

Colored crayons on paper and mounted

Colored crayons on paper

Graphite on paper