| Index Entry | Mock-bird, singing, for sale |
| Location | Boston |
| Citation | BNL.773.030 22 Apr 1773:32 (3629) To be sold, an excellent singing mock-bird. Enquire of the printer. |
| Generic Title | Boston News Letter |
| Date | 1773.04.22 |
| Publisher | Draper, Richard |
| City, State | Boston, MA |
| Year | 1773 |
| Bibliography | B0010374 |