Columbia subject headings:
Harvard subject headings:
Illumination of books and manuscripts, Gothic--Italy--Bologna.
Illumination of books and manuscripts, Italian
Illumination of books and manuscripts, Italian--Italy--Bologna.
Illumination of books and manuscripts, Medieval--Italy--Bologna.
Psalters--Illustrations.
Psalters--Italy--Bologna--Illustrations.
Princeton subject headings:
Illumination of books and manuscripts, Italian--Italy--Bologna--History.
Illumination of books and manuscripts, Medieval--Italy--Bologna--History.
Psalters--Italy--Bologna--History.