USCCB – United States Conference of Catholic Bishops
http://www.usccb.org/prayer-and-worship/liturgical-year/advent/
Loyola Press
http://www.loyolapress.com/our-catholic-faith/liturgical-year/advent
http://www.ignatianspirituality.com/advent
Catholic Relief Services (English and Spanish)
http://www.crsfairtrade.org/advent/
Creighton University
http://onlineministries.creighton.edu/CollaborativeMinistry/Advent/
Dynamic Catholic