Thinking Parametrically: The 15 styles Sears used to produce 477 variations of a house, from  

Houses by Mail: A Guide to Houses from Sears, Roebuck and Company

 By Katherine Cole Stevenson, H. Ward Jandl

Page 39

During my research this far I have found this page that links to flickr catalogs of pre cut homes

http://www.antiquehome.org/House-Plans/1923-sears-kit-house.htm