The ANA—American Numismatic Association, has posted a great listing of sites and reading recommendations.  Explore the links to expand your knowledge of coin collecting and numismatics.

Money Websites  The following list contains links to some of the best websites available to numismatists. Use these in conjunction with the recommended books listed.

Reading only a couple of books or relying only on internet sources will not provide sufficient knowledge to do well as a coin treasure hunter.  There are many, educational  websites to assist you, but the compiled sites will start you out in the right direction.

Source: Links to Helpful Numismatic & Coin Collecting Websites