Andrzej Walicki, Encounters with Isaiah Berlin. Story of an Intellectual Friendship. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 62, n. 4, p. 692–694, 2013. DOI: 10.25627/20136249606. Disponível em: https://openjournals.osmikon.de/zfo/article/view/9606. Acesso em: 16 sep. 2026.