Columbia subject headings:
Aragon (Spain)
Luna, House of.
Spain--Kings and rulers.
Spain--Politics and government--To 1479.
Harvard subject headings:
Aragon (Spain)
Aragon (Spain)--History.
Luna, Counts of.
Luna, House of.
Spain--Kings and rulers.
Spain--Politics and government--To 1479.
Princeton subject headings:
Aragon (Spain)--History--Sancho Ramírez, 1063-1094.
Aragon (Spain)--History--Sources.
Aragon (Spain)--Kings and rulers--Succession.
Aragon (Spain)--Politics and government.
Luna family--Political activity.
Luna family.
Monarchy--Spain--Aragon--History.