United States Paper Money (National bank note, confederate
currency, colonial currency, fractional currency, obsolete
currency, military payment certificates)
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New!!  Free HUGE Antique Currency Directory at Kingcurrency1.com!!
At KingCurrency.com while we do not deal in National bank notes,
confederate currency, colonial currency, fractional currency, obsolete
currency, or military payment certificates we do hope to keep our site
as informative as possible.  Therefore we have included the following
useful resources.  Also be sure to visit Kingcurrency1.com which is
loaded with other great links!
The main references for National Bank Notes is:  National Bank Notes
- A Guide with Prices by Don C. Kelly.  The 4th Edition is Now
Available!
Don  Kelly specializes in National Banknotes, Colonial Currency,  
Confederate Currency and Obsolete Currency.  He maintains a
wide selection of notes on his website.
Confederate States Paper Money by Slabaugh is a valuable
reference for the Confederate Currency Collector.  Contains
numerous illustrations and Paper Money Values.
If it is information about United States Currency you seek the DMOZ directory likely
has the answer.  It has numerous links with information about National bank notes,
confederate currency, colonial currency, fractional currency, obsolete currency,
military payment certificates + more!

DMOZ directory on currency collecting
The DMOZ currency dealer directory is one of the most comprehensive.  A
valuable resource of currency dealers.

DMOZ Currency Dealer Directory