1. American Stores Company Annual Report for the Year Ended December 31, 1929;American Stores,1930
2. Distribution’s Place in the American Economy since 1869;Barger,1955
3. The evolution of technology in the retail sector;Basker,2016
4. Supersize it: the growth of retail chains and the rise of the ‘big box’ store;Basker;Journal of Economics and Management Strategy,2012
5. The Chain Store Problem: A Critical Analysis;Beckman,1938