LACKNER, W. The Letters of Manuel II Palaeologus. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 456–457, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/10061. Acesso em: 1 mai. 2025.