JĀZEPS VĪTOLS MATERIALS IN THE ARCHIVE OF THE BOARD OF TRUSTEES FOR THE PROMOTION OF RUSSIAN COMPOSERS AND MUSICIANS. Mūzikas akadēmijas raksti, Riga, Latvia, v. 12, p. 130–145, 2024. Disponível em: https://scriptamusica.lv/index.php/mar/article/view/186.. Acesso em: 19 sep. 2024.