Perform a Google search for "Second World War" and go to the first link. Search for "Adolf Hitler" and click on the biography link. This biography is very objective in its descriptions of his life. It breaks his life down in various sections and includes a command chain of the men directly under his command.
Find the "Jewish Virtual Library" site and search for the "Adolf Hitler" biography in the search window. This short biography is very subjective. It focuses on the crimes Hitler committed against the Jewish race.
Navigate to the "2 World War 2" website and search for "Adolf Hitler" in the biography section. This bio is much briefer than the other two biographies. It discusses his adult life, including his time in World War I, his prison stay and how he developed his anti-Semitic ideas.
Open up the "Toy Soldier Biography" website and search for the "Adolf Hitler" biography. This site focuses exclusively on his activities during both World Wars. It also discusses the toy soldiers created in Hitler's image during World War II.