Research Links on the Internet State Historical Society of Iowa
A search engine that will enable you to find family names, locations, and images and donate to the IGS.  Dedicated to preserving African-American history in Iowa.
Cyndislist. Currently over 200,000 links organized by category.
State Association for the Preservation of Iowa Cemeteries  SAPIC
Church of Latter Day Saints. You can search the ancestral file, IGI, Social Security death index, vital records index, or pedigree resource file. You can also search the card catalog or order products such as the 1880 census, etc.
A great many mailing lists are hosted by Rootsweb, also surname message boards. You can also search the social security death index here.
usgenweb Aim is to have links to every state and county. Also has several volunteer transcription projects.
Ancestry message boards on surname, locality and topic. Most of the records and the digital census images require a subscription.
The gateway to state and county records. Including over 10,000 databases, government resources and user generated content.
Searchable database of federal land conveyance records of public land states. Also has image access for federal land title records for Eastern Public Land States. This site does not include the original colonies and territories.

Searchable database of locations and features in the US. Detail maps allow you to drill down to the gravel road if needed.
National Archives site.
African Americans in Des Moines Iowa and Surrounding Areas
The Library of Virginia includes a great many online images-bible records, land patents and grants, etc.
Pennsylvania State Archives. Includes digital images of Revolutionary War military abstract card file, World War I service medal application cards, Spanish American War Veteran’s Card file of US Volunteers.
Illinois State Archives. Searchable databases include marriages, veterans, public land sales, death index and several county specific databases.
Ellis Island searchable database of 22 million names from 1892 to 1924.
Library of Congress site. American Memory online collection of over 7 million images.
Italian-American Cultural Center of Iowa
Mid-Continent Public Library

Multilingual Translation Memory of the European Union (German to English) translations.