https://catholicfamilynews.com/blog/2021/05/27/how-important-was-pced-for-protecting-wider-access-to-the-traditional-mass/
https://remnantnewspaper.com/web/index.php/articles/item/5413-will-francis-abolish-the-latin-mass-archbishop-lefebvre-still-resists-even-from-the-grave
