Columbia subject headings:
Art, Spanish--Influence.
Burgundy (France)--Foreign relations--Portugal.
Eyck, Jan van, 1390-1440--Travel--Portugal.
Eyck, Jan van, 1390-1440--Travel--Spain.
Portugal--Foreign relations--France--Burgundy.
Harvard subject headings:
Art, Spanish--Influence.
Burgundy (France)--Foreign relations--Portugal.
Eyck, Jan van, 1390-1440--Travel--Portugal.
Eyck, Jan van, 1390-1440--Travel--Spain.
Portugal--Foreign relations--France--Burgundy.
Princeton subject headings:
Art, Spanish--Influence.
Burgundy (France)--Foreign relations--Portugal.
Eyck, Jan van, 1390-1440--Travel--Portugal.
Eyck, Jan van, 1390-1440--Travel--Spain.
Portugal--Foreign relations--France--Burgundy.