.com
American
Banknote Company & Its Predecessor Companies
A Comprehensive Historical Website, by CoxRail.com
American
Philatelic Congress
Searchable Index to Congress Books, by Leonard H. Hartmann
Counterfeits & Fakes of Confederate Stamps
by Kevin Baker
Differentiating
Bank Note Issues by Paper
by Andy Higgins
Domestic Postal Rates 1789-1956
Published POD, 1956. Partially reprinted by Greg Sutherland, 1995Ê
Fakes
& Forgeries
A Collection of Fakes purchased on Ebay, by Richard Doporto
Forgeries
Comparative Philatelic Forgery Identification Site by Country
Frajola's Board For Philatelists
A public site - philatelists preferred, business too!
The Inflation Calculator
Adjusts any Given Amount of Money for Inflation, According to the Consumer Price Index, from 1800 to 2001
Map Collections - Historical
David Rumsey Collection with over 8,000, focusing on rare 18th and 19th century North & South America maps & other cartographic materials
The History of New York State
by Dr. James Sullivan, online edition by Holice, Deb and Pam
Old Roads.com
Fantastic Resource of old "birds-eye-views" of U.S. cites, towns & provinces from the U.S. Library of Congress
Philatelic Experts
Worldwide list of 1820 individual stamp experts, past and present, with their areas of specialization, who have back stamped or hand signed postage stamps, or issued certificates. Some 700 scans are included for the deciphering of stamp expert marks.
A periodical magazine of classical philately and postal history which is mailed internationally to major
stamp collectors and stamp dealers worldwide
Postal History.org
Resource with Links to Exhibits, Postal History Sites, Societies, Dealers, Literature, Useful Stuff, etc. by John Tollan
Preservations
& Care of Philatelic Materials (PCPM)
Official Standing Committee of the APS
SCADS
An International Association of Philatelists Whose Goals are to Combat Fraudulent & Shady Tactics by Sellers of Stamps
Scanning Tips
by Wayne Fulton
TheShipsList
Passenger lists, immigration reports, newspaper records, shipwreck information, ship pictures, ship descriptions, shipping-line fleet lists, etc.
More Scanning Tips
Special Reference to Creating Digital Images of Philatelic Materials, by Peter G. Aitken
Stamp Printers Information
Details Stamp & Postal Stationery Printers, includes New Issue Reports, Articles, Catalogues, Handbooks, Company Literature & the Internet by Glenn H. Morgan, FRPSL
State Postal History Registry of the NPM
Find Answers to Questions about Philatelic Postal History Related to Your State.
U.S. Taxpaid Revenue Stamps - An Introduction
Overview of the Types, Usages with Digital Images

U. S. Stamps - A Pictorial Guide
Covers Postage, Revenues, Officials, Locals, Ducks, Other B.O.B., etc.
Useful Links for Postal Historians
by PostalHistory.org
U.S Postal History Societies online
A Service of the Empire State Postal History Society, by Glenn Estus