Catholic Archdiocese of Philadelphia [Details]

official Web Site

  CCCB / CECC [Details]

Canadian Conference of Catholic Bishops official Web Site

  ICEL [Details]

International Commission on English in the Liturgy official Web Site

  Roman Curia [Details]

descriptions of the departments of the Holy See via the official Vatican Web Site

  USCCB [Details]

United States Conference of Catholic Bishops official Web Site