Your ringside seat to history - from the Ancient World to the present. History through the eyes of those who lived it, presented by Ibis Communications, Inc. a digital publisher of educational programming.
This site has pages on historical topics containing secondary and primary source information. It's probably more suitable for junior classes than senior research, although it does have excerpts from contemporaneous texts.
Large collection of short historical videos which you can download if you have a YouTube downloader in your browser. Or else if you are lucky and your school has decent internet, you could just watch them in the classroom (*wistful sigh*).
Many of the links here refer to journals in libraries, however I managed to get an article on the role of women in Stuart era alehouse culture (are these the only types of things we study these days?) as a pdf, so some are downloadable. Covers all things London.
Produced by the Centre for Metropolitan History in association with the Royal Historical Society Bibliography, London's Past Online is a free online bibliography of published material relating to the history of the Greater London area.
This seems to update with interesting topics that students might find relevant for research or for classroom activities. I use Bloglines to subscribe to the feeds on sites like this (Google Reader is also good) and that way I only have to go to one site to keep up to date.
The Digital Librarian has no life. This is an enormous collection of sites which contain primary source documents on just about any aspect of modern history. Some gems in there.
I know wikis are inherently dodgy but I've found Wikisource a brilliant place for historical research. Contains the transcripts of a heap of famous speeches.
"The Japanese Historical Map Collection contains about 2,300 early maps of Japan and the World." Cool! Looks like you need to use a special viewer or something.
The Japanese Historical Map Collection contains about 2,300 early maps of Japan and the World. The collection was acquired by the University of California from the Mitsui family in 1949, and is housed on the Berkeley campus in the East Asian Library. Represented in this online collection are over 1100 images of maps and books from this Collection.