Resurse

Philateria
World Stamps Project
Stamps of the World
World Stamp Albums
Stamp World History
Stamps on the Web
Stamp Forgeries
România – http://www.romaniastamps.com
Alderney, Austria, Croaţia, Danemarca, Elveţia, Estonia, Finlanda, Gibraltar, Groenlanda, Guernsey, Insula Jersey, Insula Madeira, Insula Man, Insulele Åland,  Insulele Azore, Insulele Faroe, Islanda, Israel, Kârgâzstan, Liechtenstein, Luxembourg, Malta, Naţiunile Unite, Norvegia, Portugalia, România, Suedia – http://www.wopa-stamps.com/index.php
Andorra, Danemarca, Finlanda, Franţa, Groenlanda, Insulele Åland, Insulele Faroe, Islanda, Monaco, Norvegia, Suedia – http://www.gpfs-online.org/index.php
Italia, Malta, San Marino, Vatican, EUROPA – http://www.ibolli.it/index.php
Franţa, Coloniile Franceze, Andorra, Monaco, China, Africa, Europa – http://www.yvert.com/default.aspx 
Franţa, Coloniile Franceze, Andorra, Monaco – https://www.ceres.fr/tarif-preferentiel-ceres-philatelie.php
Austria, Elveţia, Germania (din 2000) – http://www.briefmarken.keepfree.de/katalog.html
Rusia, Statele ex-Sovietice – http://ukrafil.com/en/
Australia – http://australianstrampcatalogue.com
Australia – http://www.acsvid.com/
Barbados – http://www.barbadosstamps.co.uk
Belgia – http://www.belgianstamps.eu
Brazilia – http://www.seloshow.com/catalogs
Canada – http://www.collectionscanada.gc.ca/archivianet/02011703_e.html
Chile – http://www.chilecollector.com/archwebfila03/stampset0000.html
China (din 1983) – http://www.xabusiness.com/china-stamp-catalogue.htm
Danemarca – http://www.frimindeks.dk/start3.htm
Egipt (până în 1963) – http://www.snap-dragon.com/egypt.htm
Elveţia (1940-2000) – http://swiss-stamps.petrucci.ch/
Franţa – http://www.timbres-de-france.com
Germania – Deutsches Reich – http://www.frimindeks.dk/Germany/drstart.html
Hong Kong – http://www.hongkongpoststamps.hk/eng/stamps/
Iordania – http://www.jordanstamps.com/index.php
Israel – http://english.israelphilately.org.il/en/catalog/stamps
Italia – http://www.italianstamps.co.uk
Malta – https://www.maltaphilately.com/en/products/liststampcatalogue
Moldova – http://www.moldovastamps.org; http://www.timbre.md
Monaco – http://www.oetp-monaco.com/#
Noua Zeelandă – http://stampsnz.com
Peru – http://www.stampsperu.com/perusearch.shtml
Polonia – http://www.stampspoland.nl
Portugalia (până în 2012) – http://www.stampsportugal.com
Rusia (din 2012) – http://www.rusmarka.ru/en/catalog/marka.aspx
Statele Unite – http://www.stampcatalogue.org; http://www.stampsmarter.com/1847usa/index.htm
Suedia – http://www.phila-gert.de/sebm/index.html
Thailanda – http://www.thaistamps.net
Uniunea Sovietică (1918-1990) – http://www.stamprussia.com