Biography.com - The website of the Biography Channel. Each biography includes citation information.
History.com - The website of the History Channel. Each article includes citation information.
Native-Land.ca - This site maps traditional Native American lands in North America, provides links to those tribes' websites, and more.
Yad Vashem - The website for the World Holocaust Remembrance Center, which documents, researches, provides education about, and commemorates the Holocaust.