Before revision: Description of Africa was taken largely from the firsthand geographical work Cosmographia et geographia de Affrica completed by Leo Africanus in 1527IL MANOSCRITTO DELLA COSMOGRAPHIA DE L'AFFRICA DI GIOVANNI LEONE AFRICANO.
After revision: Description of Africa was taken largely from the firsthand geographical work Cosmographia et geographia de Affrica completed by Leo Africanus in 1526IL MANOSCRITTO DELLA COSMOGRAPHIA DE L'AFFRICA DI GIOVANNI LEONE AFRICANO.