The databases and sites linked below can each be searched for archival records that are of interest to your research.
Finding the right database or archives to look in is a big part of your research. National and regional archives tend to collect records of national and regional governmental bodies, and of major organizations and people of wide significance. Local government and academic archives will collect records specific to their regions, or to particular subjects.
This list will be updated regularly with more sources covering more geographic areas and time periods.