Selected links

http://www.divinarecords.com
The most complete collection of rare and unreleased audio and video material of Maria Callas.

http://www.frankhamilton.org
Maria Callas Performance Annals and Discographies, by Frank Hamilton.

http://www.mariacallas4ever.org/
Discography. Site created by Seishi Takeda.

http://www.callasintclub.com
The Maria Callas International Club.

http://www.callas-international-archive.com
Maria Callas  International Archive.

http://www.callas.it
International Maria Callas Association of Venezia

http://www.operacollectors.com (Maria Callas section)
Tamino - Opera, Classical Music and Ballet Autographs, programs and memorabilia

http://sites.google.com/site/lacallaseifalsi/
La Callas e i falsi.

http://www.callas-club.de
German Maria Callas Club.