NCADD www.geocities.com/ncadd/index.html ANA www.money.org
Informational Sites
U.S. Mint www.usmint.gov Coppercoins www.coppercoins.com Coneca http://conecaonline.org Variety Vista www.varietyvista.com Die Variety News - Billy Crawford home.sc.rr.com/dievarieties/Die_Variety_News.html Coin World www.coinworld.com Ken Potter http://koinpro.tripod.com Numismaster www.numismaster.com Trail and Wavy Step Variety Dies www.traildies.com Coin Gallery Online www.coin-gallery.com www.stanford.edu/~clint/q/1922nod.htm http://uspatterns.com/ Wikipedia www.wikipedia.org/ Sol Taylor www.scvhistory.com/scvhistory/signal/coins/home.htm Too Many Coins
Brad Podraza - LCR Author Patrick Sherman Jason Cuvelieir Joseph Koelling Bob Piazza Billy Crawford Gabe (from Gabe's Coins) David Carten Steven Bingham Josh Haynes Dr. James Wiles Andrew Vickery Eric Axtell Mike Diamond B.J. Neff
Books
The CherryPickers' Guide to Rare Die Varieties by Bill Fivaz and J.T. Stanton
The Complete Price Guide and Cross Reference to Lincoln Cent Mint Mark Varieties by Brian Allen and John A. Wexler
A Quick Reference to the Top Lincoln Cent Die Varieties by Gary Wagon, Karen Peterson and Kevin Flynn
The Official Red Book, A Guide Book of United States Coins by R.S. Yeoman
The Complete Lincoln Cent Encyclopedia by Shane M. Anderson
A Guide Book of Lincoln Cents, by Q. David Bowers, Whitman Publishing, 2008.
Articles
“1922 'plain' cent not quick to catch on; confusion ruled” by Eric von Klinger, Coin World Magazine.
"Collector Replicates 1969 S DDO find", by Ken Potter, Coin World, Monday Jan 28th, 2008; Section: Page 4 News; Page 4.
“USA Coin Album: The Transitional Cents of 1974” by David W. Lange, http://www.ngccoin. com/news/viewarticle.aspx?NewsletterNewsArticleID=246
"1964 'Special Mint Set' Coins", by Jaime Hernandez, www.pcgs.com , May 13, 2008
"What are Proof Coins? What Should You Know About Them?", by CoinNews.net, Sept 14th, 2007