Ephemera
- POBR 25/08 Title : The Church in Mexico: shackled or free? / by Rev. John A. O'Brien 1942
- POBR 25/09 Folder : Mobilizing Public Opinion Against Communism / by Rev. John A. O'Brien 1949
- POBR 25/10 Folder : N (National Catholic Reporter, Negro Education, Nuns) 1961-1967
- POBR 25/11 Folder : Narberth c1938
- POBR 25/12 Folder : Narberth articles c1936
- POBR 25/13 Folder : National Catholic Rural Life Conference 1934-1948
- POBR 25/14 Folder : National Planning Association 1942-1943
- POBR 25/15 Folder : Newman (Chaplains association) 1965-1968
- POBR 25/16 Folder : Newman Club 1923-1961
- POBR 25/16 Title : Catholics on the secular campus / by Rev. John A. O'Brien 1961
- POBR 25/17 Folder : Newman Club (2) 1923-1968
- POBR 25/17 Title : The white harvest / by Rev. John A. O'Brien 1923
- POBR 25/17 Title : A ghost and its flight / by Rev. John A. O'Brien 1925
- POBR 26/01 Folder : Newspaper clippings 1932-1972
- POBR 26/02 Folder : Newsweek: How U.S. Catholics view their Church 1966
- POBR 26/03 Folder : Father Raymond Michael Norris 1954
- POBR 26/04 Folder : Notre Dame 1970-1973
- POBR 26/05 Folder : Notre Dame Religious Bulletin 1941-1951
- POBR 26/05 Title : Children: the crown of Marriage / by Rev. John A. O'Brien c1941-1951
- POBR 26/06 Folder : Notre Dame Religious Bulletin 1944-1965
- POBR 26/07 Folder : Notre Dame Report 1971-1974
- POBR 26/08 Folder : O (Opus Dei) 1962
- POBR 26/09 Folder : O (Our Sunday Visitor's Book List; O'Brien) 1943-1948
- POBR 26/09 Title : my visit to Teziutlan / by Rev. John A. O'Brien 1943
- POBR 26/10 Folder : Open House 1962
- POBR 26/10 Title : parish open house promotes understanding / by Rev. John A. O'Brien 1962
- POBR 26/10 Title : Protestants flock to open house / by Rev. John A. O'Brien 1962
- POBR 26/11 Folder : Opinion Institute nd
- POBR 26/12 Folder : Our Sunday Visitor 1955-1960
- POBR 26/12 Title : St. Paul: greatest Convert Maker / by Rev. John A. O'Brien 1957
- POBR 26/12 Title : The Sacred Heart: why honor it? / by Rev. John A. O'Brien 1955
- POBR 26/12 Title : Mary will help you / by Rev. John A. O'Brien 1960
- POBR 26/13 Folder : Fulton Oursler 1948
- POBR 26/13 Title : another kind of life 1948
- POBR 26/14 Folder : P (Papacy, Poverty, Prejudice, Publishers; Peale) 1961-1968
- POBR 26/15 Folder : P (Parent's Magazine; Pettengill) 1966-1971
- POBR 26/16 Folder : P (Peace, Pius XII) 1943-1945
- POBR 26/17 Folder : Paulist news 1947
- POBR 26/18 Folder : Paulist Press 1941-1963
- POBR 26/18 Title : Character formation / by Rev. John A. O'Brien 1941;1963
- POBR 26/19 Folder : Peace 1926-1944
- POBR 26/19 Title : can we win the Peace: a challenge to America / by Rev. John A. O'Brien 1944
- POBR 26/20 Folder : Peace of Mind: the art of courageous living / by Rev. John A. O'Brien 1953
- POBR 26/21 Folder : Permissions Given c1957-1962
- POBR 26/21 Title : The Catholic position on Birth Control / by John L. Thomas, S.J. c1957
- POBR 26/22 Folder : The personalities of New Orleans nd
- POBR 26/23 Folder : Planned Parenthood 1963-1974
- POBR 26/24 Folder : Population 1961-1974
- POBR 27/01 Folder : Q (Queen's Work Pamphlet) 1950
- POBR 27/01 Title : Graft is your Business: what you can do about it / by Rev. John A. O'Brien 1950
- POBR 27/02 Folder : R (Ridgedale Men's Fellowship Club; Rosary; Rural) c1942
- POBR 27/03 Folder : Reader's Digest 1969-1972
- POBR 27/03 Title : Birth Control and the Catholic Conscience / by Rev. John A. O'Brien 1969
- POBR 27/04 Folder : The Reformation 1943
- POBR 27/04 Title : The Reformation: causes and consequences / by Rev. John A. O'Brien 1943
- POBR 27/04 Title : The Protestant revolution; in Life magazine 1948
- POBR 27/05 Folder : Religious Heritage of America 1969-1970
- POBR 27/06 Folder : Religious Information Bureau, Knights of Columbus 1945-1946
- POBR 27/07 Folder : Rockford campaign (Catholic proselytizing) 1957-1960
- POBR 27/08 Folder : S (Support for the Church) nd
- POBR 27/09 Folder : St. Louis campaign (Catholic proselytizing) 1954-1960
- POBR 27/10 Folder : San Diego correspondence (Catholic proselytizing) 1952
- POBR 27/11 Folder : School question 1946-1948
- POBR 27/11 Title : why the Catholic School? / by Rev. John A. O'Brien 1946
- POBR 27/12 Folder : Albert Schweitzer 1946-1949
- POBR 27/12 Title : Albert Schweitzer: A Modern Leonardo da Vinci / by Rev. John A. O'Brien 1946
- POBR 27/12 Title : Albert Schweitzer: Modern Apostle / by Rev. John A. O'Brien 1949
- POBR 27/13 Folder : Sermon-Masterpieces / by Rev. John A. O'Brien 1936
- POBR 27/14 Folder : Sex 1938-1955
- POBR 27/15 Folder : Sex c1922-1939
- POBR 27/16 Folder : Sex education 1922-1939
- POBR 27/17 Folder : small arms in the battle of books (Communist threat) 1954
- POBR 27/18 Folder : Helena Huntington Smith (eliminating Racism) c1939
- POBR 27/19 Folder : so you're in Love / by Rev. John A. O'Brien 1948
- POBR 27/20 Folder : Society for the propagation of the Faith 1942
- POBR 27/21 Folder : The Sword of the Spirit 1937-1943
- POBR 27/22 Folder : techniques for Convert-makers 1947
- POBR 27/23 Folder : Vancouver campaign (Catholic proselytizing) 1960
- POBR 27/24 Folder : vanishing Irish 1952-1954
- POBR 27/25 Folder : white Harvest / by Rev. John A. O'Brien 1923-1949
- POBR 27/26 Folder : why War? / by Rev. John A. O'Brien c1938
- POBR 27/27 Folder : Wisconsin Crusade (Catholic proselytizing) 1957-1959
- POBR 28/01 Folder : John A. O'Brien 1942-1973
- POBR 28/02 Folder : O'Brien - pamphlets and articles 1938-1953
- POBR 28/02 Title : The Mystery of Suffering / by Rev. John A. O'Brien 1938
- POBR 28/02 Title : Psychiatry and the Confessional / by Rev. John A. O'Brien 1938
- POBR 28/02 Title : how a Marine won 100 Converts / by Rev. John A. O'Brien 1953
- POBR 28/03 Folder : Subject file and Mss boxes 1942-1948
- POBR 28/04 Folder : John A. O'Brien c1920-1965
- POBR 28/04 Title : The Catholic foundation - an urgent need / by Rev. John A. O'Brien c1920
- POBR 28/04 Title : Equal rights for all Children / by Rev. John A. O'Brien 1948
- POBR 28/05 Folder : John A. O'Brien 1944-1962
- POBR 28/05 Title : God's eager fool (Albert Schweitzer) / by Rev. John A. O'Brien 1946
- POBR 28/06 Folder : John A. O'Brien 1946-1963
- POBR 28/07 Folder : Pamphlets 1966-1973
- POBR 28/08 Folder : Articles 1966-1972
- POBR 28/09 Folder : Leaflets nd
- POBR 28/10 Folder : Book catalogues & pamphlets 1942-1968
- POBR 29/ Series : Anti-Catholic Writings
- POBR 30-31/ Series : Later Additions