The Pirates of Penzance
- A synopsis of the musical by Gilbert and Sullivan.
- http://www.theatrehistory.com/british/musical002.html

The Pirates of Penzance: Learning Guide
- Teachers guide to "The Pirates of Penzance" includes helpful background information and discussion questions.
- http://www.teachwithmovies.org/guides/pirates-of-penzance.html

Pirates of Penzance Home Page
- MIDI files from the opera, plus plot summary, and libretto.
- http://math.boisestate.edu/gas/pirates/html/pirates_home.html