12 ([return])
[ Burney, Reise, II., p. 188.]
13 ([return])
[ Mane ini, Rifless. prat, sul canto fig., p. 30.]
14 ([return])
[ Burney, Reise, II., p. 172.]
15 ([return])
[ Dittersdorff, Selbstbiographie, p. 7.]
16 ([return])
[ Muller, Ab8chied v. d. Bühne, p. 72.]