This is not an exhaustive listing. If you have philatelic or other useful links you would like to share, please contact Steve Kennedy.

Interesting Links
American Air Mail SocietyDedicated to the documentation, preservation, advancement & promotion of Aerophilately.
American Helvetia Philatelic SocietyA group for collectors of Swiss stamps outside Switzerland.
American Philatelic CongressProvides the philatelic researcher the opportunity to present written, original research papers.
American Philatelic SocietyServes stamp collectors, educators, postal historians & the general public with programs & services.
American Revenue AssociationFor collectors of revenues, tax stamps, stamped paper, telegraph, railroad stamps & Back of the Book.
American Topical AssociationLargest philatelic society devoted specifically to topical stamp collecting.
Atlas of Township Warrantee Maps, Lancaster CountyAtlas contains 41 Township Warrantee Maps produced by Pennsylvania Land Office in 1930s showing location of earliest landowners.
Auxiliary Markings Clublub interested in the movement of the mails – especially mail that had problems.
Barney’s Stamps Digital LibraryFree Resource of Useful Philatelic References, Journals, How To’s, etc.
Banknotes.comOne of largest websites for the world bank note collector.
Boyd’s City Express Post – ExhibitAn 8 Frame Exhibit on the U.S. Local Post – Boyd’s City Express.
Bureau of Engraving and PrintingResources for the Numismatist who studies and/or collects currency, coins, tokens & paper money.
Canadian Postal MuseumEnhancing knowledge, understanding & appreciation of events, experiences, people & objects that reflect & have shaped Canada’s history & identity.
Carriers and LocalsResource for Carriers, Local Posts, Independent Mails & Eastern Expresses of the 19th century, their stamps & postal history.
Chester County Historical SocietyChester County Historical Society Online Collections Database.
China Stamp Society Dedicated to the documentation, preservation, advancement, and promotion of the stamps and postal history of China.
Collectors Club of ChicagoThe documentation, preservation, advancement & promotion of philately through education, study research & services.
Confederate Stamp AllianceOrganization for fraternity, research & cooperation of collectors of Confederate stamps, covers & postal history.
Confederate States Catalog & HandbookThe seminal work on all things related to the Confederate States of America.
Eastern Pennsylvania Precancel SocietyEPPS is the jumping-off point to explore all the Pennsylvania towns, types & varieties.
Empire State Postal History SocietyTo advance the knowledge of the postal history of the State of New York by means of educational and historical research; to acquire and disseminate through publications, exhibitions or otherwise information relative to the organization and development of post offices and postal systems in the State of New York.
Errors, Freaks, & Oddities Collectors’ ClubStamps & postal stationery that have production errors: misprinted, miscut, and/or mishandled.
FIP Commission on AerophilatelyFISA promotes & defends Aerophilately & Astrophilately in the international world of philately.
FIP Postal Stationery CommissionProvides information on the FIP Commission – names of delegates, notices of meetings, etc.
First Issues Collectors ClubPromotes the collection of & research on the first postage stamp issued by any nation, province, city, army or other entity.
Germany Philatelic SocietyDocumentation, preservation, advancement & promotion of the stamps & postal history of Germany.
Graphics Philately AssociationInformal, non-profit organization of people who have a mutual interest in the history of graphic communications as represented on stamps and other philatelic materials.
The Thomas L. Gravell Watermark Archive A collection of photographic reproductions of over 7,000 watermarks in paper made between 1400 and 1835 available as a searchable online electronic database.
International Society for Japanese PhilatelyThe ISJP promotes intelligent interest in the philately and postal history of Japan and former Japanese colonies.
International Society of World Wide Stamp CollectorsServes the interests of all worldwide collectors by promoting the fun & fascination of worldwide stamp collecting.
Cover Albums
iStampMountsAlbums for your covers and more.
Letters from Forgotten Ancestors, pre-1920 LettersEarly United States Domestic Postal Rates – Colonial to 1920.
Local Mail Posts in the United StatesA Bibliography of Items in the National Postal Museum Library of the Smithsonian Institution Libraries.
Mobile Post Office SocietyResource for postmarks from U.S. Railroad, Station, Route Agent, & Messenger services, & the Railway, Highway, Streetcar, Terminal, Air Mail Field Post Offices, & Transfer Offices & Clerks.
National Postmark Museum Museum provides education about postmarks & preserves postmark history.
Officially Sealed Mails of the WorldResource dedicated to the study of Post Office Seals from U.S. & Abroad.
Perfins ClubResource for Perfins – stamps perforated with designs, initials, or numerals by private business & governmental agencies to discourage theft & misuse.
Philatelic FoundationCentral source for expertise in philately via a certification service, reference collection, & publications.
Philatelic Society of Lancaster County, PennsylvaniaThe Philatelic Society of Lancaster County (PSLC) is an award-winning, non-profit community organization dedicated to promoting stamp collecting as a hobby for education and fun, from the teenager to adult, from the beginner to postal historian, serving members from Lancaster, Lebanon, Reading, York, Harrisburg, Hershey and beyond.
Philatelic Specialists Society of Canadaociety of students of philately specializing in a large spectrum of subjects on Canada.
Philately in Egypt Resource for all things related to Egypt Philately.
Postmarks of the Netherlands, 1676-1915Converted to digital format by Netherlands Philatelists of California & American Society for Netherlands Philately.
Precancel Stamp SocietyResource for Precancels – postage stamps canceled before being used on letters or packages.
The Prexies – 1938 Presidential SeriesResource which illustrates each denomination, provides production data, & information concerning principal multiples & solo uses.
Royal Philatelic Society of CanadaCanada’s national Society for philatelists, stamp collectors, enthusiasts & aficionados.
Royal Philatelic Society of London – UKOldest Philatelic Society in the world, dedicated to philatelic excellence, expertise & friendship.

Siegel Auction Gallery Siegel Auction Gallery Sale #1171 - Stampless Stories - A Postal History of America
Smithsonian National Postal MuseumResources on U.S. and world philatelic & postal history collections and a comprehensive library on philately & postal history.
Spellman Museum of Stamps and Postal History Resource of philatelic collections provides educational programs & activities for collectors, researchers & historians.
Stamp Collecting Round-Up Blog Interesting News, Resources, & Links about Stamps, Stamp Collecting & Postal Operations.
Stamp Insider OnlineEssential Information for philatelists, published digitally six times per year by the non-profit Federation of New York Philatelic Societies, Inc.
Stamp Show ListNo. 1 Source for Stamp Shows Worldwide & The Stamp Yellow Pages Directory.
Stamp Smarter Philatelic Library Philatelic Learning Center – Articles on ‘How To’, Stamp Manufacturing, Collecting, and ID, as well as videos.
Stamps Are ArtResource for Protection, Preservation & Care of Your Paper-Based Collections, learn the 4 P’s.
State Revenue SocietyThe study & collection of Revenue stamps & related materials of the U.S. & subdivisions.
The Swedish TigerUS Stamp Identifier and Values
Texas Precancel ClubDedicated to the Precancels from the State of Texas.
U.S. Philatelic Classics SocietyNon-profit association of people interested in pre-1894 stamps & postal history of the U.S.
U.S. Philatelic Classics Society, NY Chapter Group of collectors who are interested in the nineteenth century U.S. stamps & covers.
U.S. Postal BulletinsDigital access to the U.S. Postal Bulletins & U.S. Postal Laws & Regulation (PL&R).
U.S. Postal ServiceThe Postal Service-200+ years since Benjamin Franklin was appointed our first Postmaster General in 1775.
U.S. Revenues – What the R’s Are Resources for Scott-listed U.S. Revenue stamps, Civil War Revenue Stamped Paper, Private Die Proprietary, & Tax-Paid Issues.
United Postal Stationery Society – UPSS Society of philatelists devoted to the collection, research, & promotion of World Wide Postal Stationery.
United States Stamps Society – USSSResource for postage & revenue stamped paper produced for use in the U.S & U.S. administered areas.
Universal Ship Cancellation Society – USCSResource for the history of naval vessels, naval postal markings, & other postal documents involving U.S. Navy & other maritime organizations around the world.
Vincent Graves Greene Philatelic Research FoundationResources to encourage and promote research in the fields of Canadian philately & postal history.
Virtual Stamp ClubResources for Philately – Bookstore, Links, Article Archives, Blog, etc.