LADEWIG PETERSEN, E. Patricia Crone: Slaves on Horses. The Evolution of the Islamic Polity. Cambridge University Press, 1980. viii + 320 s. £ 17.50. Historisk Tidsskrift, [S. l.], v. 14, 1983. DOI: 10.7146/ht.v14i0.52578. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/52578. Acesso em: 29 aug. 2026.