RADVAN, D. Letters and Speeches of Holy Roman Empress Adelheid, daughter of King of the Rus’, in Chronicles and Books in the late 11th - 12th Centuries. Studia Philologica, [S. l.], v. 21, n. 2, p. 91–108, 2023. DOI: 10.28925/2311-2425.2023.217. Disponível em: https://www.studiap.kubg.edu.ua/index.php/journal/article/view/444. Acesso em: 11 jan. 2026.