BIBLIOGRAPHY:
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.1 (#1-#200): Herzogs und Grafenhauser des Heiligen Romischen Reiches Andere Europaische Furstenhauser. Marburg: Verlag von J. A. Stargardt, 1984.
Taylor, Nat, Sancha: viscounts of Narbonne. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 10/13/1995-052303. Subject: Sancha: viscounts of Narbonne. Available at http://archiver.rootsweb.com/th/read/1995-10/0813561783. Author address: ntaylor at FAS dot HARVARD dot EDU.
RESEARCH NOTES:
Count of Ampurias and Rosellon [Ref: ES III.1 #138]