Biography from the November 1912 Etude Magazine posted by Web-Helper's Public Domain Music. Includes picture.

Mail list from Yahoo! Groups includes archived posts with open membership and unmoderated discussion.

Summary details, biography, works, source material, performance schedule, links, and illustrations.

Brief biographical sketch, caricature, comments on operas, and Naxos discography.

Brief entry at Encyclopedia.com includes pronunciation guide, life, major works, and suggested further resources.

Grove Concise Dictionary of Music entry at WQXR radio. List major dramatic music and other works.

Composer, libretto, and first performance listing with summary of the opera.

Set designs and plot summary from the staging of the 1842 opera by the Koninklijk Conservatorium at Kees van Baarenzaal, Den Haag, Netherlands on 12 December 1995.