Competition Entry for "Chicago Tribune" Tower, 1922: "Chicago Tribune" building: Perspective; "Chicago Tribune" building: Front and side elevations; Sommerfeld office building: Model; Sommerfeld office building: Model

Photomechanical print in black ink on light blue paper

Photomechanical print in colored inks on white wove paper

Photomechanical print with wash and applied type on paper

Photomechanical print with graphite and colored pencils on paper

Typewritten text on paper

Photomechanical print, gouache, and collage elements on paper

Typewritten text on paper

Photomechanical print with colored washes and collage elements on paper