Viribus Unitis 3-D Project
Excellent 3-D modelling site dedicated to the Austro-Hungarian Dreadnought.
WWI - Maritime War
Various articles including battles, communications and biographies on the naval aspects of World War 1. Probably the largest site on the web on the subject.
Austro-Hungarian warship drawings.
First World War.com
A good large and growing general site on World War 1.
The WW1 section of the webs best U-boat site.
Site dedicated to the British cruiser HMS Hampshire that was sunk with Lord Kitchener and his staff on board.
All the World's Battlecruisers/The World's Last Pre-Dreadnoughts
Technical and historical details of battlecruisers and late pre-dreadnoughts.