”Ilheu do Pessegueiro” (på engelska). NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY. https://msi.nga.mil/api/publications/download?key=16694491/SFH00000/Pub143bk.pdf&type=view. Läst 21 juli 2022. ”Ilheu do Pessegueiro (37°50'N., 8°48'W.), 21m high, is a dark, rocky islet on which stands the ruins of a fort. A channel, 300m wide, separates this islet from the mainland and is foul in its N part. Porto Covo, a village, stands on the N side of a small inlet which is entered close NE of the islet.”