The Lord's Prayer
Prayer - The Lord's Prayer - based on the New Catholic Catechism 2759-2865 this reflection by Father Victor Hoagland, C.P. is a good clear explanation of each of the sections of the Lord's Prayer.
The Lord's Prayer by Leonard Doohan - Scripture From Scratch March©2003 - Simply and clearly written article that could be used for adult reflection groups, for RCIA, or CCD and religious education teachers teachers as background information.
Catholic Encyclopedia: Lord's Prayer - the article from the 1910 edition is still useful to consult.
The Nazareth Master Catechism - This web page provides links to the sections of 5 different Catechism that deal with the Lord's Prayer: Aquinas, Trent, Baltimore, Pius X, and the CCC.
The Lord's Prayer in the Catechism of the Catholic Church
Be Thy Name"
II. "Thy Kingdom Come"
III. "The Will Be Done on Earth as It Is in Heaven"
IV. "Give Us This Day Our Daily Bread"
V. "And Forgive us Our Trespasses, as We Forgive Those Who Trespass against Us"
VI. "And Lead Us Not into Temptation"
VII. "But Deliver Us From Evil"