| Index Entry | Pens, music, for sale |
| Location | Boston |
| Citation | BPB.769.029 24 Jul 1769:23 (623 Supplement 399) To be sold, a few music pens, for ruling five lines. Inquire at Green and Russell's printing-office. |
| Generic Title | Boston Post Boy |
| Date | 1769.07.24 |
| Publisher | Green and Russell |
| City, State | Boston, MA |
| Year | 1769 |
| Bibliography | B0011858 |