| • | A. Postmarks |
| • | Publication 186 – Celebrating with Pictorial Postmarks (USP) http://www.usps.com/cpim/ftp/pubs/pub186/welcome.htm |
| • | Postal Bulletin http://www.usps.com/cpim/ftp/bulletin/pb.htm |
| • | Post Mark Collector's Club http://www.postmarks.org/ |
| • | Myriad possibilities to postmark collecting http://linnsonline.com/howto/refresher/myriad_20040119/refreshercourse.asp?uID= |
| • | C. U.S. Postal History & Cover Collecting |
| • | Postal History FAQ http://www.stamporama.com/faq/faq.php?faq=postalhistory |
| • | State Postal History Register http://www.postalmuseum.si.edu/statepostalhistory/index.html |
| • | Stamps on Cover http://www.stamps.net/posthist.htm |
| • | Universal Ship Cancellation Society http://www.uscs.org/ |
| • | Postmark Collectors Club http://www.postmarks.org/ |
| • | Congressional Biographical Directory http://bioguide.congress.gov/biosearch/biosearch.asp |
| • | Statutes at Large http://memory.loc.gov/ammem/amlaw/lwsl.html |
| • | USPS - Postmaster Finder http://www.usps.com/postmasterfinder/ |
| • | Dictionary of American Naval Fighting Ships http://www.history.navy.mil/danfs/ |
| • | Jim Forte's Post Office Search http://www.postalhistory.com/postoffices.asp |
| • | State Postal History Registry-US Post Offices http://www.postalhistory.com/Post_Offices/index.htm |
| • | California Post Offices and Counties http://pbbooks.com/caindex.htm |
| • | D. Worldwide Postal History |
| • | Postal History Society http://www.stampclubs.com/phs/index.htm |
| • | Postal History Definitions http://www.stamporama.com/faq/faq.php?faq=postalhistory |
| • | Postal History Definitions & Terms http://www.1840on.co.uk/HELP%20OLD%20LETTERS%20PAGE.HTM |
| • | British Commonwealth Postmarks http://pbbooks.com/cr1.htm |
| • | Forwarding Agents by Cities http://pbbooks.com/webfa.htm |
| • | B. Maps |
| • | Library of Congress Map Collections Home Page http://memory.loc.gov/ammem/gmdhtml/gmdhome.html |
| • | Find Locations http://www.placenames.com/ |
| • | E. Archives, Museums and Libraries |
| • | Archives & Libraries http://www.askphil.org/b36.htm |
| • | Museums http://www.askphil.org/b23.htm |
| • | Smithsonian National Postal Museum http://www.postalmuseum.si.edu |
| • | Smithsonian National Postal Museum Library http://www.sil.si.edu/libraries/npm/ |
| • | American Philatelic Research Library http://www.stamplibrary.org/thelibrary/lib_abouttheaprl.htm |
