NIR, Roman. Rec.: A. P. Vlasto, The Entry ofthe Slavs into Christendom. An Introduction to the Medieval History of the Slavs, Cambridge 1970. Nasza Przeszłość, [S. l.], v. 41, p. 245–249, 1974. DOI: 10.52204/np.1974.41.245-249. Disponível em: https://ojs.academicon.pl/np/article/view/7496. Acesso em: 3 lip. 2024.