BRAUN, Werner. An unknown Autograph of Gallus?. Musicological Annual, Ljubljana, SI, v. 4, n. 1, p. 50–56, 1968. DOI: 10.4312/mz.4.1.50-56. Disponível em: https://journals.uni-lj.si/MuzikoloskiZbornik/article/view/4679. Acesso em: 14 feb. 2025.