"Home." Odebolt-Arthur-Battle Creek-Ida Grove Community School District. Retrieved on June 20, 2018. "OABCIG Central Office 900 John Montgomery Drive Ida Grove, IA 51445".
rootsweb.com
Eriksson, Erik McKinley (December 1929). "The Name of Odebolt". The Palimpsest. Retrieved August 29, 2007.