ERIK SKYDSGAARD, J. Jørgen Bæk Simonsen: Studies in the Genesis and Early Development of the Caliphal Taxation System. Kbh., Akademisk Forlag, 1988, 213 sider. Historisk Tidsskrift, [S. l.], v. 15, 1991. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/53308. Acesso em: 20 jul. 2024.