|M 47||Opera Librettos|
|M 1500||Full Scores--Operas and Musicals|
|M 1503||Vocal/Piano Scores--Operas and Musicals|
|M 1505||Vocal Selections--Operas|
|M 1508||Operettas and Musical Revues|
|M 1509||Operatic Scenes|
The following is a non-exhaustive list of subject headings* that you can use to guide your research in opera, operetta and musicals.
|Opera in Popular Music|
|Women in Operetta|
*What is a subject heading: A subject heading is a term or phrase used in the UCLA Library catalog to classify like items.