These are just a few examples. Don't see what you're looking for here? There are hundreds of digital collections publicly available to you. Need something with a more international focus? Try locating the national archives of the country associated with your research subject area. Similarly, identify universities in the geographic location in which the historic event happened or the historic figure lived. They may have digitized content readily available to you.
If you would like assistance don't hesitate to contact the Reference Desk at 302-857-6180 or e-mail LibRef@desu.edu for research assistance.