Detail plan of bird post for Mr. C. B. Camp; Oak Park, Illinois

Ink on linen. Plan, section. Signed. 47 x 26 cm. Scale: 1"=2' [from photographic copy by Lance Burgharrdt]

Kenilworth, Illinois. Parks. Mahoney Park. A wild flower preserve and bird sanctuary for the Mahoney Parks. Kenilworth, Illinois.

Photocopy; aerial sketch; signed. 43 x 31 cm. Scale : 1"=20' [from photographic copy by Lance Burgharrdt]

New Building - Interior - Press Room - Bird's eye view looking into the mailing room [Detroit News]

Taped edges