| Title | The Welsh Opera, or the Grey Mare the Better Horse |
| Number | R99 |
| Short Title | Welsh Opera, 1731 |
| Pages | 46 |
| Date | [1731] |
| Dance Figures | |
| Instruments | |
| Authors | Scriblerus Secundus (T) |
| Country | E |
| Performers | |
| Publisher | Rayner, E.(p) |
| Theatre Works | |
| Genre | BA |
| Place | London |
| Location | Yale University Library, New Haven, CT, ,Facs Wells |
| Nota Bene | Two air 26's |