PBS
Pbs Great Performances: Porgy and Bess an American Voice
Revisit the original production of "Porgy and Bess" with interviews, photos, and stories never told. Although the site doesn't have any clips from the musical, it does provide links where you can find them.
Other
The Gilbert and Sullivan Archive: Patience
The Gilbert and Sullivan Archive provides an introduction, plot summary, text, musical score (audio files), art, reviews, and more for "Patience."
Other
Gilbert and Sullivan Archive: The Bab Ballads by w.s. Gilbert
Information about the poems that Gilbert wrote for "Fun" magazine under the pen name Bab. Links to the actual songs and poems are included.
New York Times
New York Times: Crossword Puzzle: On Broadway
An interactive & printable crossword puzzle developed by the New York Times Learning Network. The theme of this puzzle is On Broadway.
Other
The Gilbert and Sullivan Archive: The Grand Duke
The Gilbert and Sullivan Archive provides the operetta theme, audio files, plot summary, text, glossary, and more for "The Grand Duke."
Other
Gilbert and Sullivan Archive: h.m.s. Pinafore
The Gilbert and Sullivan Archive provides an introduction, plot summary, text, glossary, clip art, reviews, music, and more for "H.M.S. Pinafore."
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Sir William Gilbert
Sir William Schwenck Gilbert (18 November 1836 - 29 May 1911) was an English dramatist, librettist, poet and illustrator best known for his fourteen comic operas produced in collaboration with the composer Sir Arthur Sullivan, of which...