Postage stamp collecting

Europa Stamps Catalogue
Catalog of Europa stamps released since 1974 by over 50 European countries every year.

Zumstein
Publisher of Swiss, Liechtenstein and Europa stamp catalogs

B.Mclean
Online stamp shop selling the stamps of the Scandinavian countries, Great Britain, Europa stamp issues and other philatelic material for stamp collectors.

PostEurop
Postal Authority of the European Union. Official issues of EUROPA stamps are found here