found: Le Bel, F. Puer natus est nobis, 1925?:disc label (Firminus Le Bel)
found: OCLC, Nov. 23, 2015(APs: Le Bel, Firmin; Le Bel, Firminus; usage: Firmin Le Bel; Firminus Le Bel)
found: MGG, 2. Ausg.:Personenteil (Le Bel, Firmin; b. around 1520 in Noyon; d. Dec. 31, 1573, in Rome; singer, composer, choral conductor; became maestro di cappella at Santa Maria Maggiore, Rome, in June 1540; maestro di cappella at San Luigi dei Francesi, Rome, 1545-1561; member of the papal chapel, 1561-1565; 3 motets extant)
found: Grove Music Online, Nov. 23, 2015(Lebel, Firmin; b. Noyon, early 16th century; d. Rome, Dec. 27-31, 1573; French choir director and composer active in Italy)
