A complete set of historical documents may be found in the Iowa Blue Chicken Club archives, listed in the Members section. A summary of archive contents and a brief history may be found on this page.
Breeding and Production
Breed Type / Stucture / Color
IBCC Historical Archives on the Breed's Origins (Members Only - Complete Historical Archives)
History and Characteristics of the Iowa Blue by Curt Burroughs
Poultry Mutations - a nice genetics article for chickens