Columbia subject headings:
Architecture, Gothic--Italy.
Church architecture--Italy.
Harvard subject headings:
Architectural drawing--Italy.
Architecture, Gothic--Italy--Designs and plans.
Architecture, Medieval--Italy--Designs and plans.
Church architecture--Italy--Designs and plans.
Princeton subject headings:
Architectural drawing--Italy.
Architecture, Gothic--Italy--Designs and plans.
Architecture, Medieval--Italy--Designs and plans.
Church architecture--Italy--Designs and plans.