History Research net. Search by author to find works by a historical figure, or by subject to find works about people or events. Secondary sources may also include primary materials. Web directories or search in Web indexes to locate other primary source materials on the Web.
Some reviews are also available on the Web.
When using a historical database to locate scholarly journal articles , search for a few key words if you don't know the best subject terms to use. Then examine relevant records and select subject terms from them to extend your search. Some journals may have full text of articles available online. Many libraries are now creating digital collections of historical maps on the Web.