Columbia subject headings:
Harvard subject headings:
Elcano, Juan Sebastián de, approximately 1476-1526
Explorers--Portugal--History--16th century.
Explorers--Spain--History--16th century.
Magalhães, Fernão de, -1521
Spain--History, Naval--16th century
Voyages around the world--History--16th century
Princeton subject headings:
Elcano, Juan Sebastián de, approximately 1476-1526--Congresses.
Explorers--Portugal--History--16th century--Congresses.
Explorers--Spain--History--16th century--Congresses.
Magalhães, Fernão de, 1480-1521--Congresses.
Spain--History, Naval--16th century--Congresses.
Voyages around the world--History--16th century--Congresses.