Game Protection - Willy Allison
Reference - information on everything!
Casino Enterprise Management Magazine - monthly for casino owners, managers, and operators
Archive - some of my articles are here
Osalt.com - Find open source software alternatives to well-known commercial software
Math
Blackjack, Poker, Roulette, & Slots
VegasInsider.com - Sports Betting
Card Counting
AdvantagePlayer.com - for the serious card counter
Card Counting - frequently asked questions
BlackjackInfo.com - learn basic strategy
BJMath.com - papers on mathematics of games
HitOrStand.net - learn basic strategy
Online Blackjack Calculators - seven online blackjack calculators
Casino Verite - blackjack card counting
Urbino.net - fantastic site for gaming management information
WizardOfOdds.com - best site to determine game advantage
GamingFloor.com - source for casino trade and industry news
GamingLicenses.com - help for internet gaming jurisdictions and licenses
World Casino Directory - up to date directory of casinos worldwide
Casino Careers - great source of employment opportunities