Pamphlets written by John A. O'Brien
- POBR 1/106 Title : Does It Matter Much What Man Believes?
- POBR 1/107 Title : Does Confession Make Sinning Easy?
- POBR 1/108 Title : Indulgences: What Are They?
- POBR 1/109 Title : Strategy in Courtship
- POBR 1/110 Title : Is One Religion As Good As Another?
- POBR 1/111 Title : Indulgences: What Are They?
- POBR 1/112 Title : Private Judgment and Religious Indifferentism
- POBR 1/113 Title : Get the Most out of the Bible
- POBR 1/114 Title : Making Marriage Stick
- POBR 1/115 Title : The Winning Combination
- POBR 1/116 Title : When Five O'Clock Comes 'Round
- POBR 1/117 Title : Strategy in Courtship
- POBR 1/118 Title : Man: Worth 73 cents or Billions
- POBR 1/119 Title : A Catechism of the bible
- POBR 1/120 Title : The Church: The Interpreter of the Bible
- POBR 1/121 Title : The Church and Disarmament
- POBR 1/122 Title : Choosing a Partner for Marriage
- POBR 1/123 Title : Why Marriages Fail
- POBR 1/124 Title : How You Can Convince Truth Seekers
- POBR 1/125 Title : Intellectuals Turn to Rome
- POBR 1/126 Title : How to Find Christ's Church
- POBR 1/127 Title : Why Not Equal Rights for All Children?
- POBR 1/128 Title : Falling in Love with Open Eyes
- POBR 1/129 Title : Why the Catholic School
- POBR 1/130 Title : Preparing for Marriage
- POBR 1/131 Title : Marriage: A Vocation
- POBR 1/132 Title : Getting the Most Out Of the Bible
- POBR 1/133 Title : Your Sunday Missal
- POBR 2/01 Title : Greetings From Your Pastor
- POBR 2/02 Title : Chain Reaction Converts
- POBR 2/03 Title : How You Can Share Your Faith
- POBR 2/04 Title : En Busca de la Iglesia de Cristo
- POBR 2/05 Title : Legitimate Birth Control
- POBR 2/06 Title : The Struggle for Social Justice
- POBR 2/07 Title : Modern Psychology and the Mass
- POBR 2/08 Title : The Trek of the Intellectuals to Rome
- POBR 2/09 Title : The Open Door: How Converts Are Made
- POBR 2/10 Title : Wanting Peace The People Get War - Why?
- POBR 2/11 Title : Kindness Wins Souls
- POBR 2/12 Title : Finding Christ's Church
- POBR 2/13 Title : Winning the Churchless Millions
- POBR 2/14 Title : New Eucharistic Fast Helps You to Receive Often
- POBR 2/15 Title : Quienes son los Testigos de Jehova?
- POBR 2/16 Title : Visita Metodica
- POBR 2/17 Title : Paths to Christ
- POBR 2/18 Title : The Way of Love: the One Path to Happiness
- POBR 2/19 Title : St Augustine: Sinner and Saint
- POBR 2/20 Title : God's Heroes
- POBR 2/21 Title : The Ladder of Love
- POBR 2/22 Title : St. Paul: Greatest Convert Maker
- POBR 2/23 Title : Rescuer of the Jews
- POBR 2/24 Title : Evolution and Purpose
- POBR 2/25 Title : Evolution and Purpose
- POBR 2/26 Title : Why Not a Mixed Marriage
- POBR 2/27 Title : Modern Psychology and the Mass
- POBR 2/28 Title : Eucharistic Fast
- POBR 2/29 Title : Eucharistic Fast
- POBR 2/30 Title : Eucharistic Fast
- POBR 2/31 Title : Mass and Prayer Book
- POBR 2/32 Title : St. Paul: Greatest Missionary
- POBR 2/33 Title : Religion: Does It Matter?
- POBR 2/34 Title : Finding Christ's Church
- POBR 2/35 Title : The Reformation
- POBR 2/36 Title : The Reformation
- POBR 2/37 Title : The Church and a Living Wage
- POBR 2/38 Title : Modern Psychology and the Mass
- POBR 2/39 Title : Is the Will Free?
- POBR 2/40 Title : Don't Go to Heaven Alone
- POBR 2/41 Title : Quienes son los Testigos de Jehova?
- POBR 2/42 Title : The New Knowledge and the Old Faith
- POBR 2/43 Title : The American Dream Demands Cooperation
- POBR 2/44 Title : And Justice For All
- POBR 2/45 Title : Can Catholics Separate Church & State?
- POBR 2/46 Title : Conducting an Inquiry Class
- POBR 2/47 Title : Sadinno ti Napaypayso nga Iglesia ni Kristo
- POBR 2/47 Title : The Finding of Christ's Church
- POBR 2/48 Title : What! Me a Convert Maker? How You Can Win Souls
- POBR 2/49 Title : Peace of Mind: the Art of Courageous Living
- POBR 2/50 Title : Vers L'Eglise du Christ
- POBR 2/51 Title : The Light that Shall Not Fail
- POBR 2/51 Title : The Spiritual Mission of America
- POBR 2/52 Title : Visita Metodica
- POBR 2/53 Title : Coming Home
- POBR 2/54 Title : Evolution and Purpose
- POBR 2/55 Title : Modern Psychology and the Mass
- POBR 2/56 Title : Why Not a Mixed Marriage
- POBR 2/57 Title : Don't Go to Heaven Alone
- POBR 2/58 Title : The Truth about the Inquisition
- POBR 2/59 Title : Does It Matter Much What a Man Believes?
- POBR 2/60 Title : God in the Home
- POBR 2/61 Title : The Conquest of Fear
- POBR 2/62 Title : New Eucharistic Fast Helps You to Receive Often
- POBR 2/63 Title : The Trek of the Intellectuals to Rome
- POBR 2/64 Title : The Spread of the Church a Proof of Her Divinity
- POBR 2/65 Title : And Justice for All
- POBR 2/66 Title : Why Not a Mixed Marriage
- POBR 2/67 Title : The Pope's Way to Peace: Reason vs. Violence
- POBR 2/68 Title : Religion: Does It Matter?
- POBR 2/69 Title : Evolution and Religion: Facing the Facts
- POBR 2/70 Title : Evolution and Purpose