Caruso, Enrico - Archive of Recorded Sound
- The sound of the fabled voice on this rare recording.
- http://library.stanford.edu/depts/ars/collections/caruso.html

Enrico Caruso Museum of America
- Brooklyn, New York, open only by appointment: includes contact information and gift shop.
- http://www.enricocarusomuseum.com

Caruso, Enrico: The Art of Singing
- A synopsis of the book by Caruso and Luisa Tetrazzini, from MIDI Classics.
- http://www.midi-classics.com/p1489.htm

Caruso, Enrico: Eyewitness Account
- Describes the 1906 San Francisco earthquake; from the Sketch in London.
- http://www.sfmuseum.org/1906/ew19.html

Early Caruso Music
- Includes RealAudio samples of tapes, recorded in the early 1900s on a manual victrola.
- http://www.besmark.com/caruso.html