Central board for the management of sawafi lands during the ‘Abbasid period (AD 750–945).
Iktisab al-halal
Bai‘ al-juzaf
Mudarib
Al-muzar‘ah
Al-hima
Shart
Shirkah al-‘inan
Al-bai‘ al-jabari
Al-muhaqalah
Al-khabalah