Napoleon -Total War: http://www.totalwar.com/napoleon/
Modding
Total War Centre: http://www.twcenter.net/
Total War Org: http://www.totalwar.org/
History
Napoleon, His Armies and Enemies: http://napoleonistyka.atspace.com/
The Napoleon Series: http://www.napoleon-series.org/
JSTOR: http://www.jstor.org/
NYPL Digital Gallery: http://digitalgallery.nypl.org/nypldigital/
Clans
Napoleonics: http://www.napoleonics.net/
Grognards: http://www.grognards.org/
Legio: http://www.realtimestrategy.it/
Napoleonic Battle Corps: http://napbc.freeforums.org/
British-Prussian Alliance http://bpalliance.freeforums.org/
Royal-Dragons: http://royal-dragons.forumactif.com/forum
Other
95th Rifles: http://www.95thrifles.com/
Napoleon-Souvenirs: http://www.napoleon-souvenirs.com