- Abraham Lincoln Historical Digitization Project full text includes biographical information, speeches and writings, images and video are also available, from Northern Illinois University
- American President: An Online Reference Resource material on each U.S. President and quotes from each of them from the University of Virginia Miller Center of Public Affairs
- Catholic Online–Saints and Angels information on Catholic saints and angels with feast days and a calendar of saints’ days
- National Inventors Hall of Fame searchable by inventor, invention, induction date or decade
- National Women’s Hall of Fame biographical information on American women who have made great contributions in various fields
- Nobelprize.org information on all laureates
- Presidents of the United States biographical and other information from the White House, by president or by date