High-Rise Steel Frame Apartment Building, 1929-1930: Ground floor plan, 1:100

Ink drawing mounted to black cardboard

Black crayon on paper

Brown crayon on paper

Black and red marker on paper

Graphite on paper

Graphite on beige wove paper, glued to card

Black and blue marker on paper

Graphite on paper

Black and brown crayon on paper

Graphite on paper

Colored marker on paper

Black ink on paper