[22] Dr Theofilo Muffat, “Componimenti musicali per il cembalo,” in Denkmäler d. Tonkunst in Österreich, Bd. iii.
[23] Historische Nachricht von den Nürnbergischen Mathematicis u. Künstlern, &c. (Nuremberg, 1730), p. 305.
[24] Histoire de la musique aux Pays Bas avant le XIXe siècle.
[25] For a facsimile of one of the Pompeii tibiae, see Capt. C.R. Day, op. cit. pl. iv. C. and p. 109.
[26] Catalogue descriptif (Ghent, 1896), vol. ii. p. 211, No. 911, where an illustration is given. See also Capt. C.R. Day, op. cit. pl. iv. B and Errata where the description is printed.
[27] For a description with illustration see V. Mahillon’s Catalogue descriptif (Ghent, 1896), vol. ii. p. 215, No. 916.
[28] See Wilhelm Altenburg, op. cit. p. 6.
[29] See V. Mahillon, Catal. descript. (1896), p. 213, No. 913.
[30] H. Welcker von Gontershausen, Die musikalischen Tonwerk-zeuge (Frankfort-on-Main, 1855), p. 141.
[31] Op. cit. p. 6.