Columbia subject headings:
Art metal-work, Medieval--Italy--Pisa.
Art metal-work, Renaissance--Italy--Pisa.
Christian art and symbolism--Italy--Pisa.
Metal crosses--Italy--Pisa.
Harvard subject headings:
Art metal-work, Medieval--Italy--Pisa.
Art metal-work, Renaissance--Italy--Pisa.
Christian art and symbolism--Italy--Pisa.
Metal crosses--Italy--Pisa.
Princeton subject headings:
Art metal-work, Medieval--Italy--Pisa.
Art metal-work, Renaissance--Italy--Pisa.
Christian art and symbolism--Italy--Pisa.
Metal crosses--Italy--Pisa.