There are a number of resources available to the collector. Online archives, reference books, and pricing guides are just some of these.
The American Numismatic Society (ANS) features a large collection, library, and research facility, and is located in New York City.
The Newman Numismatic Portal is a large project designed to make vast information and both digital and scanned publications available to the collector, with
an extensive search capability. DLRC Press has published most of the "Complete Guide" books on their website. Plus web books and pricing guides.
See below for access to these resources. These links are presented for the convenience of our members and the collecting public. Enjoy!
The Kittredge Collection
American Numismatic Society (ANS)
Newman Numismatic Portal
DLRC Press online books
Double Dimes book
PCGS Price Guide