JĀZEPS VĪTOLS AND THE TRADITION OF LATVIAN SONG FESTIVALS. Mūzikas akadēmijas raksti, Riga, Latvia, v. 12, p. 52–69, 2024. Disponível em: https://www.scriptamusica.lv/index.php/mar/article/view/115.. Acesso em: 5 may. 2025.