Catechism of the Catholic Church 1601-1666 See also The Sacrament of Matrimony Answers from the Compendium from the Archdiocese of San Francisco.
Archdiocese of Toronto: Marriage
Diocese of Hamilton: Marriage
Diocese of London: Marriage
For Your Marriage: An initiative of the United States Conference of Catholic Bishops
See also the Marriage page at the United States Bishops site:
American Catholic: Sacrament of Marriage
Catholic Organization for Life and the Family Marriage: A Natural Institution with the Dignity of a Sacrament
Sacraments 101
Pope Francis on marriage
Pope Francis Apostolic Exhortation: The Joy of Love
