Columbia subject headings:
Harvard subject headings:
Archivo Histórico Portuguez.
Discoveries in geography--Portuguese--Historiography.
Portugal--History, Naval
Portugal--History--Period of discoveries, 1385-1580--Historiography.
Portugal--History--Periodicals.
Portuguese periodicals--History--20th century.
Princeton subject headings:
Archivo Histórico Portuguez.
Discoveries in geography--Portuguese--Historiography.
Portugal--History, Naval.
Portugal--History--Period of discoveries, 1385-1580--Historiography.
Portugal--History--Periodicals.
Portuguese periodicals--History--20th century.