CARROLL, Robert. Nicolai Hartmann and his philosophy of music. Svensk tidskrift för musikforskning / Swedish Journal of Music Research, [S. l.], v. 60, n. 1, p. 33–46, 1978. Disponível em: https://publicera.kb.se/stm-sjm/article/view/40957. Acesso em: 11 mar. 2026.