Columbia subject headings:
Friuli (Italy)--History--Congresses.
Paul, the Deacon, approximately 720-799?--Congresses.
Harvard subject headings:
Architecture, Medieval--Italy--Friuli--Congresses.
Art, Medieval--Italy--Friuli--Congresses.
Friuli (Italy)--History--Congresses.
Paul, the Deacon, approximately 720-799?--Congresses.
Princeton subject headings:
Paul, the Deacon, approximately 720-799?--Congresses.