Columbia subject headings:
Gelasius I, Pope, -496. De duabus naturis in Christo.
Jesus Christ--Person and offices--Early works to 1800.
Harvard subject headings:
Christian literature, Early.
Gelasius I, Pope, -496. Epistula de duabus naturis--Sources.
Gelasius I, Pope, -496. Epistula de duabus naturis.
Jesus Christ--Natures--Early works to 1800.
Jesus Christ--Person and offices--Early works to 1800.
Princeton subject headings: