City-Data.com: Harpers Ferry, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, photograph and maps.
- http://www.city-data.com/city/Harpers-Ferry-Iowa.html

Cedar Valley Lodge
- Offers rental of a large lodge and log home, both almost entirely surrounded by Yellow River State Forest and just a few miles to the Mississippi River. Includes descriptions and photographs.
- http://www.cedarvalleylodge.com/

Point of View Bed & Breakfast
- Offers four rooms with private baths. Includes descriptions, photographs, rates, policies and links to local attractions.
- http://www.pointofview2view.com/

The Natural Gait
- Offers secluded cabins available year-round, natural horsemanship clinics, and training sessions. Details of facilities, rates and directions.
- http://www.thenaturalgait.com/

Wikipedia: Harpers Ferry, Iowa
- Encyclopedia article covers geography and demographics of this community in Allamakee County.
- http://en.wikipedia.org/wiki/Harpers_Ferry,_Iowa