AZOpera: Lucia Di Lammermoor
- Background information, plot summary, and composer information from the Arizona Opera.
- http://www.evermore.com/azo/98season/ldl_syn.php3

Lucia di Lammermoor (Lucy of Lammermoor)
- Summary of the work includes composer, librettist, and premier information with major characters and plot summary. From Naxos.
- http://www.naxos.com/NewDesign/fintro.files/bintro.files/operas/Lucia_di_Lammermoor(Lucy_of_Lammermoor).htm

Lucia di Lammermoor: Synopsis
- Act by act overview provided by the New York Metropolitan Opera.
- http://www.metopera.org/history/2000/production/synopses/lucia.html

Lucia di Lammermoor
- Composer and librettist information, source, libretto in HTML and PDF, synopses, and discography from Stanford University's Opera Glass.
- http://opera.stanford.edu/Donizetti/LuciaDiLammermoor/main.html

Lucia di Lammermoor: Gaetano Donizetti
- Review from CultureVulture.net of a 1999 San Francisco performance summarizes the work, analyzes its strengths, and provides photographs.
- http://www.culturevulture.net/Opera/Lucia.html