Sacraments: Channels of Divine Grace 
Article by John Hardon, S.J., focuses on understanding the Sacraments. They are listed and briefly defined, then the responsibilities of believers are described in relation to our time.
http://www.catholic.net/RCC/Periodicals/Faith/0506-96/article1.htmlThe Sacraments - The Paschal Mystery in the Church
The official, definitive and in-depth instruction on the Sacraments of the Catholic Church from articles 1113 to 1134 in the Catechism of the Catholic Church. It elaborates the commonalities of all seven Sacraments.
http://www.scborromeo.org/ccc/p2s1c1a2.htm
Decree Concerning the Sacraments and Canons on the Sacraments
A thorough traditional treatment of the Sacraments from the Council of Trent in the form of anathemae in response to uncertainties amongst the faithful of the time.
http://history.hanover.edu/early/trent/ct07sbc.htm
The Sacraments of the Church
Legislation on the disposition and conditions for reception of the seven Sacraments of the Catholic Church, as found in book 4 of the Code of Canon Law. Also includes sacramentals.
http://www.deaconsplace.org/~canonlaw/code/book_4.htm
What Are Sacraments?
Testimonies of lay parish leaders on the Sacraments in general and of some particular Sacraments, mostly from Catholic people.
http://home.adelphi.edu/~catissue/TESTIMONIES/SACRAM.HTM
Toward a Sacrament of the World
David J. Leigh, SJ, applies a modern theology approach to the Sacraments, bringing each one in turn under the light of modern cultural and social symbolism.
http://www.spiritualitytoday.org/spir2day/853714leigh.html
Sacraments of Penance and Eucharist
A Pastoral letter of Bishop John V. Daily of Brooklyn, New York, instructs on how the Sacrament of Penance leads to the Eucharist and brings one to the purification of souls.
http://www.dioceseofbrooklyn.org/about/abt_letter_eucharist.html
Sacraments
This article in the Catholic Encyclopedia presents the necessity, the nature, the origin/cause, the number, the effects, the minister, and the recipient of the Sacraments.
http://www.newadvent.org/cathen/13295a.htm
The Seven Sacraments
Main points of Pope John Paul II's homilies during his visit to England in October 1982.
http://www.ewtn.com/library/PAPALDOC/JP2SEVEN.HTM
The Sacraments
Peter Kreeft gives a concise presentation of Catholic teachings on the Sacraments from the perspective of a convert.
http://catholiceducation.org/articles/apologetics/ap0030.html
American Catholic: Sacraments
The seven Sacraments listed with links to articles about each: Baptism, Eucharist, Reconciliation, Confirmation, Marriage, Holy Orders, Anointing of the Sick
http://www.americancatholic.org/Features/sacraments/
These Are the Sacraments
Book by Fulton Sheen.
http://www.ewtn.com/library/DOCTRINE/SACRAMEN.TXT
