RIIS, Thomas. John W. Baldwin: The Government of Philip Augustus: Foundations of French Royal Power in the Middle Ages. Berkeley - Los Angeles - London, University of California Press, 1986. xxi, 611 sider, ill. 50$. Historisk Tidsskrift, [S. l.], v. 15, p. 195–196, 1989. DOI: 10.7146/ht.v15i0.53173. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/53173. Acesso em: 21 jul. 2026.