Building Section Study with Skylight
Ink sketch on tracing paper, 11-1/4x24-1/2 inches
Drawer 2, Folder 6
Ink sketch on tracing paper, 11-1/4x24-1/2 inches
Green ink sketch on graph paper with notation "over Missouri," 8-1/2x11 inches
Brown ink sketches on tracing paper, initialed, 12x26 inches