Title: Dirāsāt fī al-mafāhīm al-iqtiṣādīyah ladá al-mufakkirīn al-Islāmīyīn
Subjects: Economic conditions, Economics, History, Islam, Islamic Empire, Property (Islamic law), Real property tax, Religious aspects, Religious aspects of Economics, Land taxation, Land value taxation, Finance
Places: Islamic Empire, Islamic countries
People: Abū Yūsuf Yaʻqūb (731 or 2-798)