Links
- An italian beer coasters' collector community: http://sottobicchieri.forumcommunity.net/
- A big deutch site (it is also in english) with a beer coaster's database: http://www.bierdeckelsammler.net
- A lot of Guinness coasters photographed and catalogued according to BBCS catalogue's number: http://www.guinnessbeermats.friko.pl/