HUFFMAN, J. P. Urban Diplomacy: Cologne, the Rhenish League (1254-1257) and the Rhenish Urban League (1381-1389). Anales de la Universidad de Alicante. Historia Medieval, [S. l.], n. 19, p. 193–219, 2016. DOI: 10.14198/medieval.2015-2016.19.07. Disponível em: https://revistes.ua.es/medieval/article/view/2016-n19-urban-diplomacy. Acesso em: 24 abr. 2024.