Wikipedia:WikiProject Gilbert and Sullivan/Opera categories

Following the guidelines at WikiProject Opera, all of the Gilbert and Sullivan operas are categorized as follows:


 * Category:Operas by Gilbert and Sullivan
 * Category:English-language operas
 * Category:English comic operas
 * Category:Operas

The operas that Arthur Sullivan wrote with other librettists, except for Ivanhoe, are categorized as follows:


 * Category:Operas by Arthur Sullivan
 * Category:English-language operas
 * Category:English comic operas
 * Category:Operas

Ivanhoe is not in Category:English comic operas, but otherwise it is categorized like any other Sullivan opera.

The operas that W. S. Gilbert wrote with other composers are categorized as follows:


 * Category:Works by W. S. Gilbert
 * Category:English-language operas
 * Category:English comic operas
 * Category:Operas

In addition, each opera by Gilbert and/or Sullivan is in the appropriate sub-category of Category:Operas by year. For instance The Mikado is in Category:1885 operas.

In each of the above scenarios, the minimum categories are listed. Some works also fall into additional categories. See The Pirates of Penzance and The Emerald Isle for examples.