www.vallauris.org
France: this website shows many signatures of potters from Vallauris

http://manufacturedesevres.culture.gouv.fr
France: this is the website of Sèvres Porcelain

www.plateel.nl
Holland: this website shows many marks of Dutch potters

www.ceramicaarte900.it
Italy: this website provides many names & pictures of Italian potters

www.starkeld.com
Scandinavia: this site sells scandinavian ceramics, many pictures & references

www.ceramiques-contemporaines-sevres.fr
France: this site shows many signatures and short biographies of french ceramists

www.studiopottery.com
England: Information on UK's studio potters and potteries

www.archivioceramica.com
Italy: Information on italian ceramists and factories, enter and go to: "indice dei ceramisti"

www.norsk-keramikk.com
Norway: Information on norwegian ceramists and workshops

www.artentique.nl
Holland: web shop with interesting ceramics

www.ceramic-link.de
Germany: this site shows links to other sources of pottery marks