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

» Moonshine Acres    Breeding German Shepherds. Includes photographs and pedigrees.    http://hometown.aol.com/ddfurness/

» Wikipedia: Martensdale, Iowa    Encyclopedia article features geography and demographics of this community in Warren County.    http://en.wikipedia.org/wiki/Martensdale,_Iowa