P. H. Highfill, K. A. Burnim and E. A. Langhans: A Biographical Dictionary of Actors, Actresses, Musicians, Dancers, Managers and Other Stage Personnel in London, 1660-1800, vol. 15: Tibbett to M. West (Carbondale and Edwardsville: Southern Illinois University Press, 1993), pp. 162-64 (Google).
La Baglioni was Mozart's first Rosina in La finta semplice: see K.-J. Kutsch and L. Riemens, ed. H. Rost, Grosses Sängerlexikon, 4th, enlarged edition, vol. 1 (Munich: K. G. Saur, 2003), p. 205 (Google).
Thal (ed.) 1972, p. 66–68. For Soderini see Highfill, Burnim and Langhans, Biographical Dictionary, vol. 14 (1991), p. 193.
Highfill, Burnim and Langhans, Biographical Dictionary, vol. 5 (1978), pp. 438–440 (Google).
The singer Anna Benini was the wife of Guarducci's pupil, the composer and singer Bernardo Mengozzi (1758–1800): see Highfill, Burnim and Langhans, Biographical Dictionary, vol. 10 (1984), pp. 196 ff (Google).