| Index Entry | Harpsichord, for sale in Boston, double keys |
| Location | Boston |
| Citation | BG.770.021 2 Apr 1770:42 (782) An extraordinary good harpsicord with double keys, to be sold; any person inclining to purchase, are desired to apply to Edes & Gill. |
| Generic Title | Boston Gazette |
| Date | 1770.04.02 |
| Publisher | Edes and Gill |
| City, State | Boston, MA |
| Year | 1770 |
| Bibliography | B0006243 |