Sears Building, Chicago, Illinois, Elevation of Competition Drawing1873 · Graphite, watercolor, gouache, and ink on tan paper42.5 × 36 cm (16 3/4 × 14 3/16 in.)Art Institute of Chicago
Lenox Building, Chicago, Illinois, Perspective1872 · Ink and wash on paper51.2 × 25 cm (20 3/16 × 9 7/8 in.)Art Institute of Chicago
Stewart–Bentley Building, Chicago, Illinois, Elevation and Exterior Wall Section1872 · Ink on tracing paper, mounted on heavy paper49.5 × 40.8 cm (19 1/2 × 16 1/16 in.)Art Institute of Chicago
Stewart–Bentley Building, Chicago, Illinois, Perspective1872 · Ink and watercolor on paper55.9 × 29.5 cm (22 1/16 × 11 5/8 in.)Art Institute of Chicago