- Oliver Wendell Holmes Jr., Pragmatism, and the Jurisprudence of Agon
- Olivia Manning
- Oliwer Twist
- Ollam
- Ollantay: Adaptación al español moderno
- Oltre il nulla
- Oltre il pensiero
- Oltre la frontiera. Il tono dei sottogeneri del fantasy
- Oltre la muraglia
- Oltre la siepe. Alla ricerca di Harper Lee
- Oltre le usate leggi
- Oltre quelle voci notturne
- Oltrecanone
- Olvidar es morir
- Olympiques de Pindare
- Om James Joyces Odysseus
- Omar Cabezas, Nicaragua, and the Narrative of Liberation
- Omar Khayyam Poems
- Ombre e figure
- Ombres et lumières de Michael Baxandall (Les Fiches de Lecture d'Universalis)
- Omero. Il racconto del Mito
- Omnicide II
- On "Blade Runner"
- On a beau dire
- On a Darkling Plain
- On a marché sur la terre
- On a voté à ma place (nouvelle)
- On Anger
- On Beauty by Zadie Smith (Book Analysis)
- On Beauty: Essays, Reviews, Fiction, and Plays
- On Being Blue
- On Being Ill
- ON BEING ILL
- On Beverley Farmer
- On Biblical Poetry
- On Brokeback Mountain
- On Burning Ground
- On Case Grammar
- On choisit pas sa mère
- On Comics and Legal Aesthetics
- On Company Time
- On Compromise
- On Conan Doyle
- On Creaturely Life
- On Culture, Art and Literature
- On David Malouf
- On Declaring Love
- On Deification and Sacred Eloquence
- On Directing Shakespeare
- On Eagles' Wings
- On Elizabeth Bishop
- On Empson
- On English Homophones
- On Exploring Craft
- On Faulkner
- On Frost
- On Hawthorne
- On Helen Garner
- On Henry James
- On Henry Miller
- On Histories and Stories
- On Howells
- On Human Bondage
- On Humor
- On Interpretive Conflict
- On J. M. Coetzee
- On Jews and Judaism
- On Keats’s Practice and Poetics of Responsibility
- On Kipling’s Stories And Arnold’s Essays
- On Language and Poetry: Three Essays
- On Late Style
- On Liberty
- On Life-Writing
- On Lingering and Literature
- On Literary Plasticity
- On Literary Worlds
- On Literature, Culture, and Religion
- On Longing
- On Masturbation: "Some Thoughts on the Science of Onanism"
- On Matricide
- On Melville
- On Modern Poetry
- On Mothers, Marriage, Divorce and Children: 5 autobiographical stories and essays
- On Nature and the Goddess In Romantic and Post-Romantic Literature
- On ne badine pas avec l'amour d'Alfred de Musset
- On ne badine pas avec l'amour d'Alfred de Musset (Analyse de l'oeuvre)
- On ne badine pas avec l'amour - Alfred de Musset (Fiche de lecture)
- On ne badine pas avec l'amour de Musset - Acte III, scène 8
- On ne naît pas femme : on le devient
- On ne peut pas lutter contre le système
- On Nineteen Eighty-Four
- On Not Being Someone Else
- On Not Defending Poetry
- On Patrick White
- On Patrol
- On Poe
- On Poetry
- On Poetry and Craft
- On Political Obligation
- On Power
- On Presence, Absence and Classical Hollywood Distortion
- On Psychological and Visionary Art
- ON READING
- On Reading in Relation to Literature
- On Reading The Grapes of Wrath
- On Reading Well
- On Reasoning and Argument
- On Replacement
- On Rereading
- On Robyn Davidson
- On Seamus Heaney
- On Sexuality and Power
- On Shakespeare
- On Shirley Hazzard
- On Sibling Love, Queer Attachment and American Writing
- On Some of Shakespeare's Female Characters
- On Sympathetic Grounds
- On Sympathy
- On Tagore
- On the Art of Reading
- On the Art of Writing
- On the Art of Writing: Lectures Delivered in the University of Cambridge 1913-1914
- On the Battlefield of Memory
- On the Bullet Train with Emily Brontë
- On the Character of Sir John Falstaff
- On the Date, Sources and Design of Shakespeare's The Tempest
- On the Edge of the Holocaust
- On the Edge of the River Sar
- On the Ethical Imperatives of the Interregnum
- On the Front Line of Life
- On the Harmony of Religions and Philosophy (Golden Deer Classics)
- On the Idea of Comedy and the Uses of the Comic Spirit
- On the Makaloa Mat
- On the Nature of Marx's Things
- On the Old Road: A Collection of Miscellaneous Essays and Articles on Art and Literature (Complete)
- On the People's Democratic Revolution
- On the Road
- On the Road with the Archangel
- On the Shoulders of Giants
- On the Significance of Science and Art
- On the Stage and Off
- On The Stage: Monologue For Teen Actor
- On the Winds and Waves of Imagination
- On Thomas Keneally
- On Toleration and Other Essays
- On Universals
- On Violence and On Violence Against Women
- On Wheels
- On Whitman
- On Writers and Writing
- On Writing
- Once Again to Zelda
- Once and Future Antiquities in Science Fiction and Fantasy
- Once and Future Myths
- Once Iron Girls
- Once Upon a Time
- Once upon a Time Children's European Folktales
- Once Upon a Time in a Different World
- Once Upon... A Time for Young People and Their Books