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Kanisa Katoliki

Bunson, Matthew (2008). Our Sunday Visitor's Catholic Almanac. Our Sunday Visitor Publishing. ISBN 1-59276-441-X.
Gale Group. (2002) New Catholic Encyclopedia, 15 vol, with annual supplements; highly detailed coverage
Papa Yohane Paulo II, (2006) He Gave Them the Law of Life as Their Inheritance, in:Man and Woman He created Them. A Theology of the Body, transl. M. Waldstein, Boston: Pauline Books and Media, pp.617–663 ISBN 0-8198-7421-3
Smith, Janet, ed. (1993) Why "Humanae Vitae" Was Right, San Francisco: Ignatius Press.
Smith, Janet (1991) "Humanae Vitae", a Generation Later, Washington D.C.: Catholic University of America Press,
Stewart, Cynthia. (2008) The Catholic Church: A Brief Popular History 337 pages
Vatican, Central Statistics Office (2011). Annuario Pontificio (Pontifical Yearbook). Libreria Editrice Vaticana. ISBN 978-88-209-7908-9.