Report on the Kingdom of the Congo
Relatione del reame del Congo (1591)
Duarte Lopes
More on the Relatione (in Portuguese)
Duarte Lopes, A Report of the Kingdom of Congo and of the Surrounding Countries, Drawn out
of the Writings and Discourses of the Portuguese Duarte Lopez, by Filippo Pigafetta
(1591). Trans. Margarite Hutchinson. London: F. Cass, 1970 (1881).