Iowa Barn Foundation: Dedicated to preserving Iowa's rural buildings. Information about grants, events, membership.
Iowa Historical Societies: Locate address information, including web site links, to historical societies in each county within the state of Iowa.
State Historical Society of Iowa: Identifies, records, collects, preserves, manages, and provides access to the state's historical resources. Includes a list of historic sites, grants, library services, a museum, archives, membership, publications and volunteerism. Located in Des Moines.