Some links about "philatelic geography"
Europe:
Effects of the Partition of Ireland on the postal service (1920-1922)
Hrvatska Republika Herceg Bosna
Talyllyn Railway Letter Service
Great Britain Railroad Letter Stamp
Guernsey-Sark OnLine Stamps Catalogue
Lundy 2000 OnLine Stamps Catalogue
Scouts posts in the United Kingdom
Estland Issues Perforated Locally by Postmasters
RUSSIA. Stamps from territories, republics, occupation areas and bogus stamps
Croatian Post Stamps Issued in the exile (1934-1991)
Luxembourg Special Flight Covers
Asia:
Stamps of the Indian Princely States
Africa:
America:
Canadian Perfins of the Victorian Era
Colombian Semi Official Stamps
Oceania:
Australasian New Hebrides Company
Syndicat Français des Nouvelles Hebrides
New Zealand Register of Postal Operators
Hawaii Kahului Railroad Company and http://www.hawaiianstamps.com/kahului.html
Hawaii's personal delivery service
Different
On-line Polar Philatelic Exhibits - http://home-1.worldonline.nl/~madejong/exhibits.htm
Fantasy stamp - http://home.att.net/~rickscott/Fantasies/Fantasies.html
Unidentified Philatelic Objects - http://home.att.net/~rickscott/Unidentified/Unident.html
A Stamp from Everywhere - http://home.att.net/~rickscott/Asfe/Asfe.html
Postage Due Handstamps - http://home.att.net/~rickscott/PostageDue/PostageDue.html
Scouts on Stamps Society International - http://sossi.org/home.htm (recommend links in: http://sossi.org/exile/issues.htm , http://sossi.org/local/post.htm , http://sossi.org/perfin/spifs.htm)
Stamp Identifier - http://stamps.about.com/hobbies/stamps/gi/dynamic/offsite.htm?site=http%3A%2F%2Fwww.scvs.com%2Fstamp%2Fident%2F
List of Labels - http://askphil.org/ap_salm04a.htm
Artistamps - http://www.dragonflydream.com/index.html
LOCAL POSTS OF THE WORLD - http://www.stampshows.com/local-post.html
Artistamp Gallery - http://jas.faximum.com/jas.d/jcm_asg.htm
Balloon mail - http://pages.yahoo.com/nhrp?o=mwydera&p=index.html&pos=28&f=all&h=/hobbies___crafts/collecting/stamps
MODERN POSTAGE - http://www.telisphere.com/~djordan/ModernPostage.html
Khanate of Bokhara - http://www.sedang.hm/Bokhara/Stamps/Stamps.htm
QSL Special Issue Postage Stamps - http://www.autosonic.co.uk/235410/special_stamps.htm
Artistamps - http://knoph.com/diplomacy/Artistamps/artistamps.html
The Poca Post - http://sun.soci.niu.edu/~benm/stamps/pocapost.html
JOOST VEERKAMP Art Stamps - http://www.veerkamp.nl/