The following sites are highly recommended by Mr. Pardoe:

The Lafayette Foundation  http://www.lafayettefoundation.org/ 

The Von Luckner Society  http://luckner-society.com/

The Aerodrome http://www.theaerodrome.com/

James Bradley  http://www.jamesbradley.com/index.asp

Neil Hanson  http://www.neilhanson.co.uk/index.php

The League of WWI Aviation Historians  http://www.overthefront.com/

Skyhorse Publishing http://www.skyhorsepublishing.com/

BattleCorps http://www.battlecorps.com

Classic BattleTech  http://www.classicbattletech.com/

Wizkids Games  http://www.wizkidsgames.com

The New York Military Affairs Symposium  http://libraryautomation.com/nymas/

Salem News  http://www.salem-news.com/

Standard Printing and Office Supplies http://www.spos.com/

Robert Weibezahl  http://www.robertweibezahl.com/