Columbia subject headings:
Art objects, Byzantine--Belgium--Tournai.
Cathédrale Notre-Dame de Tournai.
Crosses--Cult--Belgium--Tournai.
Harvard subject headings:
Cathédrale Notre-Dame de Tournai.
Crosses--Belgium--Tournai.
Goldwork, Byzantine.
Reliquaire de la Vraie Croix (Cross)
Reliquaries, Byzantine.
Princeton subject headings:
Crosses.