Pamphlets written by John A. O'Brien
- POBR 3/38 Title : Fourteen Noted Converts
- POBR 3/39 Title : Fourteen Noted Converts
- POBR 3/40 Title : You Can Win Converts
- POBR 3/41 Title : You Can Win Converts
- POBR 3/42 Title : The Secret of a Happy Marriage
- POBR 3/43 Title : Don't Hoard Your Faith: Share It
- POBR 3/44 Title : Our Parish: How to Be a Good Parishioner
- POBR 3/45 Title : Why Not Equal Rights for All Children?
- POBR 3/46 Title : Happiness! But Where?
- POBR 3/47 Title : Happiness! But Where?
- POBR 3/48 Title : Prayers to the Little Flower
- POBR 3/49 Title : Can Indulgences Be Bought?
- POBR 3/49 Title : New Light On Luther's Charges
- POBR 3/50 Title : Prayers to St. Joseph
- POBR 3/51 Title : Prayers to St. Joseph
- POBR 3/52 Title : Catholic Marriage: How Achieve It?
- POBR 3/53 Title : Love For Keeps
- POBR 3/54 Title : So, You're in Love! Strategy in Courtship
- POBR 3/55 Title : Falling in Love
- POBR 3/56 Title : Marriage: Catholic or Mixed
- POBR 3/57 Title : A Catholic President?
- POBR 3/58 Title : A Catholic President?
- POBR 3/59 Title : An Easy Way to Win Souls
- POBR 3/60 Title : Is the Church Woman's Enemy?
- POBR 3/61 Title : St. Isaac Jogues: Apostle of Love
- POBR 3/62 Title : Youth's Struggle for Decency
- POBR 3/63 Title : Youth's Struggle for Decency
- POBR 3/64 Title : Light on Jehovah's Witnesses
- POBR 3/65 Title : Mary Help of Christians
- POBR 3/66 Title : The Unbroken Line of Popes
- POBR 3/67 Title : The Sacred Heart: Why Honor It?
- POBR 3/68 Title : Mary Help of Christians
- POBR 3/69 Title : How to Win a Soul for Christ and Thereby Save Your Own
- POBR 3/70 Title : Getting the Most Out of Marriage
- POBR 3/71 Title : The Vanishing Irish
- POBR 3/72 Title : Why Be Profane?
- POBR 3/73 Title : Is One Religion As Good As Another?
- POBR 3/74 Title : Does the Universe Dwarf Man?
- POBR 3/75 Title : Mary Will Help You
- POBR 3/76 Title : Holy Hour for Conversions
- POBR 3/77 Title : War or Peace? The Challenge to America
- POBR 3/78 Title : The Holy Eucharist and Reason
- POBR 3/79 Title : Until Death Do Us Part
- POBR 3/80 Title : Which Is Christ's True Church?
- POBR 3/81 Title : Love's Greatest Act: Winning a Soul for Christ
- POBR 3/82 Title : The Real Presence: Fact or Fiction
- POBR 3/83 Title : Penance and Self-Denial: Why?
- POBR 3/84 Title : Prayers for the Dead
- POBR 3/85 Title : Does It Matter Much What One Believes?
- POBR 3/86 Title : Prayers to Our Lady
- POBR 3/87 Title : Winning More Souls
- POBR 3/88 Title : The Christian Home: A Nation's Bulwark
- POBR 3/89 Title : Our Daily Bread
- POBR 3/90 Title : The Christian Mother: Sculptor of Character
- POBR 3/91 Title : The Church: Interpreter of the Bible
- POBR 3/92 Title : The Priesthood: A Divine Institution
- POBR 3/93 Title : Is Papal Infallibility Reasonable?
- POBR 3/94 Title : How You Can Convince Truth Seekers
- POBR 3/95 Title : The Way of the Cross
- POBR 3/96 Title : The Way of the Cross
- POBR 3/97 Title : Why the Catholic School?
- POBR 3/98 Title : Preparing for Marriage
- POBR 3/99 Title : Falling In Love With Open Eyes
- POBR 3/100 Title : Fishers of Men
- POBR 3/101 Title : Fishers of Men
- POBR 3/102 Title : Finding Christ: the Story of Fourteen Noted Converts
- POBR 3/103 Title : Catholics on the Secular Campus
- POBR 3/104 Title : Catholics on the Secular Campus
- POBR 3/105 Title : The Holy Name: Why Reverence It?
- POBR 3/106 Title : Are You Fair to Jews?
- POBR 3/107 Title : Are You Fair to Jews?
- POBR 3/108 Title : Frequent Communion Will Help You
- POBR 3/109 Title : Drinking is Dangerous
- POBR 3/110 Title : Increase and Multiply
- POBR 3/111 Title : Increase and Multiply
- POBR 3/112 Title : How to Become a Catholic
- POBR 3/113 Title : Strategy in Courtship
- POBR 3/114 Title : Speaking of Marriage
- POBR 3/115 Title : Why Marriages Fail
- POBR 3/116 Title : Why Marriages Fail
- POBR 3/117 Title : English in the Liturgy
- POBR 3/118 Title : English in the Liturgy
- POBR 3/119 Title : Why Not Be A Saint?
- POBR 3/120 Title : Why Not Be A Saint?
- POBR 3/121 Title : Your Bridge to Heaven
- POBR 3/122 Title : Love's Ministry
- POBR 3/123 Title : Your Bridge to Heaven
- POBR 3/124 Title : Why Not Investigate the Catholic Religion
- POBR 3/125 Title : My Daily Visitor
- POBR 3/126 Title : Crusade for Souls
- POBR 3/127 Title : Crusade for Souls
- POBR 3/128 Title : Come Back Home
- POBR 3/129 Title : Come Back Home
- POBR 3/130 Title : Ring Door Bells, Win Souls
- POBR 3/131 Title : Why Do Our Religions Fight Each Other?
- POBR 3/132 Title : The Winning Touchdown
- POBR 3/133 Title : Getting the Most Out of Marriage
- POBR 3/134 Title : Friendship: First Step to Christian Unity
- POBR 3/135 Title : Catholics & Masons: Now Good Friends
- POBR 3/136 Title : When Five O'Clock Comes 'Round