Axis History Forum - An excellent resource on the web for World War II historians

The Brown Book - An interesting site in German. Lists a number of SS and Polizei and what they ended up doing after the war.

The Shoah - A German site with some English articles

YIVO Institute for Jewish Research- The YIVO Institute for Jewish Research is dedicated to the history and culture of Ashkenazi Jewry and to its influence in the Americas

Save a Torah - Organization that finds Torahs that were lost or stolen during the war and repairs them. They then go to new homes.

Jewish Genealogy - An excellent site with information, maps, names, and survivor stories. Also see their cemetery project.

The US Holocaust Museum - They have a great library!