- U.S. Geological Survey Geographic Names Information System: Egan, Iowa
- "Allamakee County". Iowa Ghost Towns. Retrieved 6 August 2014.
- Ellery M. Hancock (1913). Past and Present of Allamakee County, Iowa: A Record of Settlement, Organization, Progress and Achievement. S. J. Clarke publishing Company. p. 271.
|This article about the geography of Allamakee County, Iowa is a stub. You can help Wikipedia by expanding it.|