Columbia subject headings:
Bonanno, active 12th century--Criticism and interpretation.
Bronze doors, Medieval--Italy--Pisa.
Christian art and symbolism--Italy--Pisa--Medieval, 500-1500.
Duomo di Pisa (Italy)
Pisa (Italy)--Buildings, structures, etc.
Relief (Sculpture), Medieval--Italy--Pisa.
Harvard subject headings:
Bonanno, active 12th century--Criticism and interpretation.
Bronze doors, Romanesque--Italy--Pisa.
Bronze doors--Italy--Pisa.
Christian art and symbolism--Medieval, 500-1500--Italy--Pisa.
Church doors--Italy--Pisa.
Duomo (Pisa, Italy)
Princeton subject headings:
Bonanno, active 12th century.
Bronze doors, Medieval--Italy--Pisa.
Christian art and symbolism--Medieval, 500-1500--Italy--Pisa.
Duomo (Pisa, Italy)
Pisa (Italy)--Buildings, structures, etc.
Relief (Sculpture), Medieval--Italy--Pisa.