Prochwicz-Studnicka, Bożena (Katedra Arabistyki i Islamistyki, Uniwersytet Warszawski, 2000)
The work Kitāb al-maḥāsin wa-al-masāwī (The Book of Virtues and Vices) by Ibrāhīm Ibn Muḥammad al-Bayhaqī illustrates the existence of widely developed beggary in the 10th century. There is scarce information about the ...