You can find them at the Sear Roebuck & Company Archive, 3333 Beverly Road,
Hoffman Estates, Illinois. They have a website at
http://www.researchmag.com/company/profile/cps.html
We're building a replica of a 1918 Sears Farm House and they were very
helpful. They have catalogues and promotional materials, but they do not have
any blueprints.
Nick Clark, Museums At Prophetstown.