- Theology Library: Liturgical Year
- Church Seasons: Mark Your (Liturgical) Calendar - by Sandra DeGidio, O.S.M
- The Liturgical Commission’s Web site offers a large selection of articles on liturgy: Liturgical Lines: short 500-word essays on liturgical topics. These have been published weekly since the beginning 1999.
- Resources on Saints, Special Days, and Liturgical Seasons: This section on the Website of the Intercessory Prayer Ministry provides a saints calendar for the whole year with links to resources for saints and special feast days and liturgical seasons
- Table of Movable Major Catholic Seasons and Holidays provides the dates of movable feast days in the Western Church liturgical calendar from 2008 to 2050: Ash Wednesday - Palm Sunday - Holy Thursday - Good Friday - Easter - Ascension - Pentecost - Trinity Sunday - Advent.
- interparole-catholique-yvelines.cef.fr - This French Web site has all you need to build a beautifully illustrated yearly liturgical calendar to color, cut out and assemble with your students. If you cannot read French, it would still be worthwhile to use an online translator to make out the meaning of the sections "Pourquoi un calendrier liturgique ? (Why a liturgical calendar) and Tableau récapitulatif de l'année liturgique (Summary table of the liturgical year).