| Index Entry | Benefit, concert, for Flagg, Mr, in Boston |
| Location | Boston |
| Citation | BPB.771.021 13 May 1771:33 (713) For the benefit of Mr. Flagg, a concert of vocal & instrumental music, on Friday evening 17th instant, to begin precisely at 7 o'clock at Concert-Hall, Queen-Street. N.B. The particular performances to be inserted in Thursday's paper. |
| Generic Title | Boston Post Boy |
| Date | 1771.05.13 |
| Publisher | Green & Russell |
| City, State | Boston, MA |
| Year | 1771 |
| Bibliography | B0011953 |