http://www.pobjoy.com

Ascension Island Post Office
http://www.ascension-island.gov.ac/post-office-shop/

Bahamas Government
http://forms.bahamas.gov.bs/dp_form.asp?fid=316

British Virgin Islands Government
http://www.bvi.gov.vg/department/bvi-post

Falkland Islands Stamps
http://www.falklandstamps.com/

Tristan da Cunha Post Office
http://www.tristandc.com/postoffice.php

Croatian Post Office
http://www.posta.hr/

Isle of Man Post Office
https://www.iompost.com/

Malta Post Office
http://www.maltapost.com/

Virgin Island Stamps
http://www.worldstampnews.com/

Stanley Gibbons
http://www.stanleygibbons.com/stanleygibbons/view/content/sg_page_magazines

Linn's Stamp News
http://www.linns.com/

Trade Only Stamps
http://tradeonlystamps.com/

Briefmarken
http://www.briefmarken.de/index.php

Falkland Island Journal
http://www.falklandislandsjournal.org/

Polar Postal History Society of Great Britain
http://www.pphsgb.org/index.html

Stamp Magazine
http://www.stampmagazine.co.uk/

Leuchtturm
https://www.leuchtturm.com/epages/leuchtturm_eu.sf/en_EU/?ObjectPath=/Shops/

Stamp Boards
http://www.stampboards.com/

All World Stamps
http://www.allworldstamps.com/

Penguin News
http://www.penguin-news.com/

Mawsons Huts Foundation
http://www.mawsons-huts.org.au/

UK Philately
http://www.ukphilately.org.uk/nps/lover/lover.htm

Briefmarken Spiegel
http://briefmarkenspiegel.com/web/impressum/

Helicopters on Stamps
http://www.helicoptersonstamps.co.uk/

Collectors Club of Great Britain
http://www.collectors-club-of-great-britain.co.uk/Stamps-and-Coins/Magazines/Stamp-and-Coin-Mart/_ch28_mg8

Bird Stamps
http://www.bird-stamps.org/

Bird Theme
http://www.birdtheme.org/

Penguin Stamps
http://www.penguinstamps.org/

Ship Stamp Society
http://shipstampsociety.com/

Stamp News
http://www.stampnews.com.au/joomla/index.php

Tristan da Cunha Association
http://www.tristandc.com/association.php

South Georgia Association
 http://www.southgeorgiaassociation.org/

South Georgia Heritage Trust
http://www.sght.org/

Falkland Island Association
http://www.fiassociation.com/

Falkland Island Government
http://www.falklands.gov.fk/

British Antarctic Territory
https://www.gov.uk/government/world/organisations/british-antarctic-territory

United Kingdom Antartic Herritage Trust
http://www.ukaht.org/

South Georgia and South Sandwich Islands
http://www.sgisland.gs/index.php/Main_Page

Falkland Islands Phillatelic Study Group
http://www.fipsg.org.uk/

Scott Polar Research Institute
http://www.spri.cam.ac.uk/

Antarctica
http://www.antarctica.ac.uk/

http://www.wwfstamp.com/shop/

http://commonwealthstampsopinion.blogspot.co.uk/2014/01/353-superb-new-hummingbird-issue-from.html

Stamp Collecting Software and Resources
 https://www.mapcon.com/us-en/stamp-collecting-software-and-resources