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2. Mateo de Anguiano , Misiones Capuchinas en África (Madrid: Consejo Superior de Investigaciones Científicas, 1957)
3. Selena Axelrod Winsnes , ed. and trans., Letters on West Africa and the Slave Trade: Paul Erdmann Isert’s Journey to Guinea and the Caribbean Islands in Columbia (1788) (Oxford: Oxford University Press for the British Academy, 1992), 90–91
4. H. Ling Roth , Great Benin: Its Customs, Art and Horrors (London: Routledge & Kegan Paul, [1903] 1968), 95
5. Mervyn Hiskett , ‘The “Song of Bagauda”: A Hausa King List and Homily in Verse: II’, SOAS Bulletin 28/1 (1965), 118