Coin Collecting Slang
limunltd.com/numismatica

The Internet Encyclopedia of U.S. Coins
coinfacts.com

Prices and history of US coins
collectorusa.com

Coin Photo Gallery
coin-gallery.com

Ken Potter's Variety Vault
koinpro.tripod.com

Coin Collecting Links
coins.about.com

Coin Collecting FAQ by Chuck D'Ambra
telesphere.com

Roman Coin Atribution
ancient-coin-forum.com

Federal Reserve Bank Districts
federalreserve.gov

CoinWorld Online
coinworld.com

Krause Publications
krause.com