 In these two maps, many new location names, and several verbatim descriptions, were taken directly from de Conti's account.The "trustworthy source" whom Fra Mauro quoted in writing is thought to have been de' Conti himself.Mauro's map discusses the travels of a "Zoncho de India", a "junk from India" (likely referring to China or kingdoms in the Nusantara archipelago, as both was often referred to as India during this period), beyond the Cape of Good Hope into the Atlantic Ocean around 1420, confirming that it was possible to sail around Africa through the south.