Great sites for Research
Library of Congress: All kinds of primary sources and illustrations. Many historic newspapers are found here -- find out what your ancestors were up to!
Denver Public Library Best library in Colorado for history of the American West. Check out their extensive online photography site.
Colorado Historic Newspapers Many local newspapers digitized here, but sadly, not the Rocky Mountain News (yet).
History Matters Essays on history, lots of primary sources on US history, links to "best sites"
Internet History Sourcebook The single best site for primary sources of European and World history.
EuroDocs: Online Sources for European History Listed by country, many in the original language but also many translated
