The Catholic Encyclopedia
The former, in unrhymed verse, is generally credited to St. Venantius Fortunatus (6 cent.), and the latter, in rhymed accentual rhythm, was composed by St. Thomas Aquinas (13 cent.).
Source details
1264 · The Catholic Encyclopedia, "Pange Lingua Gloriosi"
Checked word-for-word against The Catholic Encyclopedia · 2026-07-19