1. Ruttan Heating and Ventilating Company, Bloomington, Ill. "Cut [i.e. cutaway drawing of house] representing the Ruttan System of warming and ventilation, with Hawley's improvements." R.R. Donnelley, Lakeside Press, printer; Bond & Chandler, engravers [undated, folded, colored diagram, ca. 26" x 22"]. 2. "A new idea in architecture": undated journal article with floor plan and illustration, describing a modern, healthful apartment building 3. Photo of unidentified clapboard house

1. Ruttan Heating and Ventilating Company, Bloomington, Ill. "Cut [i.e. cutaway drawing of house] representing the Ruttan System of warming and ventilation, with Hawley's improvements." R.R. Donnelley, Lakeside Press, printer; Bond & Chandler, engravers [undated, folded, colored diagram, ca. 26" x 22"]. 2. "A new idea in architecture": undated journal article with floor plan and illustration, describing a modern, healthful apartment building 3. Photo of unidentified clapboard house, Box: 8, Folder: 25. Burt Green Wilder papers, 14-26-95. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/29707 Accessed December 24, 2025.