City-Data.com: Libertyville, Iowa - Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps. - http://www.city-data.com/city/Libertyville-Iowa.html
Wikipedia - Libertyville, Iowa - Encyclopedia article features geography and demographics of this city in Jefferson County. - http://en.wikipedia.org/wiki/Libertyville,_Iowa