A listing of over 5000 websites describing holdings of manuscripts, archives, rare books, historical photographs, and other primary sources for the research scholar. All links have been tested for correctness and appropriateness.
Links added or revised within the last thirty days or so are marked {New}. Please use this form or e-mail to add entries, provide corrections, or make comments on its utility. Those who have recently submitted new and revised entries are acknowledged. Guidelines for the inclusion of sites on this list are available.

Compiled by Terry Abraham.