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

Colored marker on paper

Black crayon on envelope

Graphite, watercolor, gouache, and black and yellow inks on off-white wove paper

Graphite on paper

Colored chalks and graphite on gray laid paper

Black marker on paper

Black and red marker and adhered piece of paper envelope on paper

Graphite on paper

Graphite on paper

Watercolor and black chalk

Colored crayons on paper

Graphite on paper