-1278 1200-1259 1254-1323? 1451-1512 1470-1519 1470-1521? 930 amerigo ancient antarctica archaeologyandhistory atlases boundaries cartography children'satlases civilization digital discoveriesingeography discoveryandexploration earlymaps earlyworksto1800 european geography history humangeography lostcontinents manuscript maps marco martin matthew medieval name naturalresources outlinemaps paris polo rainforests ricardus statistics symbols systemsandstandards time to1500 travelers'writings vespucci voyagesandtravels waldseemüller