Columbia subject headings:
Artists' marks--Italy--Abruzzo.
Sculpture, Italian--Italy--Abruzzo.
Sculpture, Medieval--Italy--Abruzzo.
Harvard subject headings:
Artists' marks--Italy--Abruzzo.
Sculpture, Italian--Italy--Abruzzo.
Sculpture, Medieval--Italy--Abruzzo.
Princeton subject headings:
Artists' marks--Italy--Abruzzo.
Sculpture, Italian--Italy--Abruzzo.
Sculpture, Medieval--Italy--Abruzzo.