I Pagliacci: Composer and librettist information, plot summary, principal characters, principal musical numbers, and instrumentation.
Pagliacci: Characters and their voice ranges with composer, librettist, and first performance noted. Includes summary, background material, and staging relationship with Mascagni's Cavalleria Rusticana.
Pagliacci: Edited and with background material by Mark D. Lew. Footnoted with explanations, spelling conventionalized, with libretto divided among prologue and the two acts.
Pagliacci: Opera World article by Dian Syrcle discusses the work as an exploration of social tolerance. Includes synopsis that gives away the ending.
Pagliacci: Opera San José: Notes concerning a November 1996 production include background materials and referrals to various opera companies. Jim DeLaHunt provides, instead of a factual summary, an emotional plot of the work.
Ruggero Leoncavallo and Pagliacci: Opera Resource provides background on the composer and his only enduring work. Includes links to related material, synopsis, and libretto.