Calendar
- https://joe-antognini.github.io/tridentine-calendar/
- https://gcatholic.org/calendar/2025/General-F-en.htm
- https://www.liturgyoffice.org.uk/Calendar/index.shtml
- https://www.ewtn.com/catholicism/daily-readings
- https://www.missalemeum.com/en
- https://missions.ewtn.com/seasonsandfeastdays/
- https://propria.org/ordo-2025/
- http://www.traditio.com/cal.htm
- Watch: https://www.latinmass.live/
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Catholic Books
- Dom Prosper Guéranger's The Liturgical Year in PDF form - Volumes I - XV https://thecatacombs.org/showthread.php?tid=910
- The School of Jesus Crucified From The Italian Of Father Ignatius Of The Side Of Jesus, Passionist https://thecenterforcontemplativepractice.org/2022/10/13/the-life-of-christ/