Columbia subject headings:
Gregory I, Pope, approximately 540-604. Expositio in Canticum canticorum--Indexes.
Gregory I, Pope, approximately 540-604. In librum primum Regum expositionum libri VI--Indexes.
In canticum canticorum--Concordances.
In librum primum Regum--Concordances.
Harvard subject headings:
Gregory I, Pope, approximately 540-604. In canticum canticorum--Concordances.
Gregory I, Pope, approximately 540-604. In librum primum regum--Concordances.
Princeton subject headings:
Gregory I, Pope, approximately 540-604. Expositio in Canticum canticorum.
Gregory I, Pope, approximately 540-604. In librum primum Regum espositionum libri VI.