Tadei, Federico. 2023. "Income Inequality in Colonial Africa: Methods and History". A The History of African Development: An Online Textbook for a New Generation of African Students and Teachers, editat per Ellen Hillbom, Ushehwedu Kufakurinani and Felix Meier zu Selhausen. African Economic History Network (AEHN). ISBN: 978-94-6447-652-1.