The Roman Catechism of Trent p. 64-68.
The Creed, Article V, Section A.
On Holy Saturday, Christ emptied the Limbo of the Fathers. Only in the general-sense of “infernus” did Christ “descend into hell.” His suffering did not continue on Holy Saturday, as taught by the 20th century heretical Jesuit, Fr. Von Balthasar SJ.
Taylor Marshall on St. Thomas’ four levels of the underworld: https://youtu.be/oP8_Cx0Osd0
“First Things” journal on errors of Von Balthasar: https://www.firstthings.com/article/2006/12/balthasar-hell-and-heresy-an-exchange