VILJOEN, N.; DRENNAN, I. Tonality and texture in Arnold van Wyk’s Vier weemoedige liedjies: musical, poetic and personal considerations. Acta Academica: Critical views on society, culture and politics, [S. l.], v. 45, n. 2, p. 228–261, 2013. DOI: 10.38140/aa.v45i2.1404. Disponível em: https://journals.ufs.ac.za/index.php/aa/article/view/1404. Acesso em: 14 mar. 2025.