• List of All U.S. Archdioceses and Dioceses Having Web Sites.
• U.S. Conference of Secular Institutes.
• U.S. Bishops' Statements.

THE EASTERN RITES IN THE UNITED STATES:

• The Unofficial Directory of Eastern Rites Catholic Churches in the United States.
• The Web Site of The Bysantine Rite Catholic Church in America.
• The Web Site of The Melkite Rite Catholic Church in America.
• The Web Site of The Syro-Malabar Rite Catholic Church in America.
• The Web Site of The Syro-Malankara Rite Catholic Church in America.
• The Web Site of St. Michael the Archangel Ukrainian Catholic Church, Baltimore, MD.

OFFICIAL ROMAN CATHOLIC DOCUMENTS

• Decrees of the Ecumenical Councils.
  
  
• CANON LAW:
  
  
• The Code of Canon Law for the Western Church. (1983). 
  
  
• INDULGENCES:
  
  
• The Enchiridion of Indulgences (1968)
  
  
• CATECHISMS:
  
  
• Catechism of the Catholic Church of Pope John Paul II for All Bishops.
• Catechism of Pope St. Pius X for All Catholics.
• Catechism of the Council of Trent for All Parish Priests.
• Baltimore Catechism for All Lay Catholics.
• Nazareth Master Catechism:
  Parallel Presentation of Aquinas's Summa with the
  Trent, Baltimore, St. Pius X, and John Paul II Catechisms.