"Sexte." . . "Akkord." . . "Harmonie Histoire." . . . . . . . . . . . . . . . . "A chord in time: the evolution of the augmented sixth from Monteverdi to Mahler" . . . . "A chord in time the evolution of augmented sixth from Monteverdi to Mahler" . . . "History" . . "A chord in time : the evolution of the augmented sixth from Monteverdi to Mahler" . . . . . "A chord in time : the evolution of the augmented sixth sonority from Monteverdi to Mahler" . . . . . . . . "Chords." . . "Harmonielehre." . . . . "Harmonia 17 w." . . "Harmonie Histoire et critique." . . "Harmonik." . . "Harmonia 19 w." . . "Musique Intervalles et gammes." . . "Intervall." . . "Intervall Geschichte." . . "Harmonik Geschichte." . . "Geschichte 1555-1950." . . "Harmonia 18 w." . .