the Piano 1700-1820, S. 80 f., S. 6, Oxford University Press, ISBN 978-0-19-816323-7 Kendall W. Brown: Maria Barbara of Braganza, in: Women in World History…

of the piano, 1700–1820. Oxford University Press, 1993–1999, ISBN 978-0-19-816323-7. F. Robert Gellerman: Gellerman's International Reed Organ Atlas.…