NavSource Online - BB-01 facts and annotated photos. - http://www.navsource.org/archives/01/01a.htm
Great White Fleet - BB-50 history and specifications. BB-50 was never built because of the Washington Treaty for the Limitations of Naval Armaments. - http://www.greatwhitefleet.org/indiana/02/history.html
Naval Historical Center - BB-58 history and annotated images. - http://www.history.navy.mil/photos/sh-usn/usnsh-i/bb58.htm
U.S. Navy Battleships - USS Indiana (BB 58) facts, history, and images. - http://www.chinfo.navy.mil/navpalib/ships/battleships/indiana/bb58-ind.html
Spanish American War Centennial - USS Indiana BB-01 history, photos, crew roster, and specifications. - http://www.spanamwar.com/indiana.htm