| DATE | LOCATION | CITATION | TEXT INDEX ENTRY | 1769.03.02 | Upper Marlboro | CITATION | Sim, Joseph, manages benefit concert in Upper Marlborough | 1769.02.23 | Upper Marlboro | CITATION | Sim, Joseph, manages benefit concert, Upper Marlborough, played by amateurs | 1769.03.09 | Upper Marlboro | CITATION | Sim, Joseph, manages benefit concert, Upper Marlborough | 1769.03.16 | Upper Marlboro | CITATION | Sim, Joseph, manages benefit concert, Upper Marlborough | 1769.03.23 | Upper Marlboro | CITATION | Sim, Joseph, manages benefit concert, Upper Marlborough |