Musannaf Ibn Abi Shayba 13:2472

Abu Bakr narrated to us, he said: Waki’ narrated to us, from Sufyan, from Rabi’ah ibn Abi Abd al-Rahman, from Hanzalah ibn Qays, he said: I asked Rafi’ ibn Khadij about the renting of white land for gold and silver. He said: It is lawful; there is no harm in it.