LOOS, Helmut. Kozertorgeln in Leipzig. Musicological Annual, Ljubljana, SI, v. 49, n. 1, p. 57–65, 2013. DOI: 10.4312/mz.49.1.57-65. Disponível em: https://journals.uni-lj.si/MuzikoloskiZbornik/article/view/2525. Acesso em: 15 feb. 2025.