By Subject of Literary Work - Catholics or Catholic Church
- Martín de Porres, Hero
- Martin Luther
- Martin Luther
- Memories of a Catholic Girlhood
- Mexican Phoenix
- Midnight Mass
- Modern Ireland
- Modern Irish Literature
- The Monk
- Morte d’Urban
- Mother Ireland
- The Moths and Other Stories
- Mr. Ives’ Christmas
- My Days of Anger
- Naked to Mine Enemies
- Nearer, My God
- New and Collected Poems, 1931-2001
- Ode to the Most Holy Eucharist
- Of Love and Other Demons
- Old Friends
- Old Masters
- Old Masters
- On the Ground
- On the Law of War and Peace
- Oration on the Dignity of Man
- Ordinary Time
- Paddy Clarke Ha Ha Ha
- A Pagan Place
- A Painful Case
- Paradise News
- The Path to Rome
- Pavane
- Pearl
- Pedro Páramo
- Pensées
- Phaedra
- The Phenomenon of Man
- The Plays of Cocteau
- The Poetry of Auden
- The Poetry of Carducci
- The Poetry of Claude McKay
- The Poetry of Claudel
- The Poetry of Sor Juana Inés de la Cruz
- The Poetry of Swift
- The Pope’s Rhinoceros
- The Portobello Road
- A Portrait of the Artist as a Young Man
- The Power and the Glory
- The Purpose of Altar Boys
- Queen of Scots
