SearchinQ

http://www.crownbingo.com/
Offers 90, 80 and 75 ball bingo, progressive slots, mini games, scratch cards and many more fun games.

http://inventors.about.com/library/inventors/blbingo.htm
In the U.S., bingo was originally called "beano". It was a country fair game where a dealer would select numbered discs from a cigar box and players would mark their cards with beans. They yelled "beano" if they won.

http://www.bingo-hollywood.co.uk/
Bingo site offering free bingo games with sign up bonuses.

http://www.bingohouse.com
Online bingo hall including slots, video poker and progressive jackpots.

http://www.ildado.com/bingo_rules.html
Bingo is played in halls. Bingo rules and payouts and play variations vary from place to place. Bingo brochures detailing particular games, rules and payouts are usually available at each respective location.

http://www.newbingosites.org/
A guide to new bingo sites in the UK. Includes information, bonuses and promotions.

http://www.play-internet-bingo.com/
Bingo portal site offering player tips, articles, reviews and more.

http://www.texas-bingo.com/
Guide to bingo halls in the state of Texas. Includes phone numbers and addresses.

http://en.wikipedia.org/wiki/Bingo
Encyclopedia article on the rules and history of Bingo.