| DATE | LOCATION | CITATION | TEXT INDEX ENTRY | 1758.06.15 | Skippeck | CITATION | Clavicord, for sale by Diemer, John, estate | 1769.02.23 | Philadelphia | CITATION | Clavicords, for sale by Gualdo, John | 1769.03.02 | Philadelphia | CITATION | Clavicords, for sale by Gualdo, John | 1769.03.09 | Philadelphia | CITATION | Clavicords, for sale by Gualdo, John |