Links about The Battle of River Plate:
http://www.grafspee.com is a site focusing on the life of Captain Langsdorff.
http://www.nzhistory.net.nz/keyword/river-plate the New-Zealand history web site about the battle of River Plate. HMS Achilles was part of the New-Zealand Royal Navy, Royal Navy New Zealand will be created on 1941.
are two excellent threads on the Bismarck forum about the DKM Graf Spee and the battle of River Plate.
All About Games:
Links about Naval Warfare and Naval History:
http://www.navweaps.com An incredible reference about Naval Weapons and Technology.
http://www.kbismarck.org It is an excellent site about Naval History and the discussion board is hours of passionate debate.
http://www.german-navy.de Beyond very nice pictures of DKM Graf Spee there is a stunning 3D model.
Links about Naval Wargaming:
http://amiraute-news.com (In French) An excellent website about Amirauté the “Grand Dad of French Naval Wargaming”. There is a PDF of an updated set of those French miniatures rules.
http://navalwargamessociety.org This very British Society is publishing “All Gun Blazing” and is providing information about all Naval Wargaming Events.