| DATE | LOCATION | CITATION | TEXT INDEX ENTRY | 1769.05.04 | Maryland | CITATION | Chords, proportion and harmony | 1767.05.28 | Bath | CITATION | Chords, sympathetic, written on cards, played on harpsichord by magician | 1767.06.25 | Bath | CITATION | Chords, sympathetic, written on cards, played on harpsichord by magician |