| Index Entry | Masquerade, in London, Dukes of Grosvenor and Cumberland attended |
| Location | London |
| Citation | MS-B.771.039 19 Apr 1771:261 (1/7) Their Royal Highnesses the Dukes of Grosvenor and Cumberland were both at the Masquerade last night; the former in a Highlander's dress, and the latter in that of Mother Midnight in the Twin Rivals. |
| Generic Title | Massachusetts Spy-Boston |
| Date | 1771.04.19 |
| Publisher | Thomas, I. |
| City, State | Boston, MA |
| Year | 1771 |
| Bibliography | B0021453 |