PETERSEN, E. Walter Ulmann: Medieval Foundations of Renaissance Humanism. London, Paul Elek, 1977. 212 s. £6.95. Historisk Tidsskrift, [S. l.], v. 13, 1979. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/52222. Acesso em: 3 maj. 2024.