PRINTING AND PUBLISHING OF SCHLAGER (HIT) SHEET MUSIC IN RIGA IN THE 1920s–1930s. Mūzikas akadēmijas raksti, Riga, Latvia, v. 22, p. 111–140, 2025. Disponível em: https://scriptamusica.lv/index.php/mar/article/view/58.. Acesso em: 22 jan. 2025.