- In Passing
- In Passionata
- In Pensiero 89 volte
- In Phanta's Schloß
- In Place of Me
- In Poe's Shadow
- In Poetry
- In Port - Meditations On the Psalms
- In Praise of Bombast
- In Praise of Cream-cheesed Bagels Homemade Jam Women and Why
- In Praise of Creation
- In Praise of Defeat
- In Praise of Falling
- In Praise of Fragments
- In Praise of Poetry
- In Praise of the Unfinished
- In Praise of the Wytch
- In principio
- In principio era...la Solitudine
- In Progress
- In punta d'anima
- In punta di ali
- In punta di cuore
- In punta di luce
- In punta di versi
- In Pursuit of Love: Love Poems from the Intimate Place
- In quei momenti
- In Quiet I Trust
- In Rare Form
- In Real Life
- In Reih und Glied
- In Remembrance of You!
- In Retrospect
- In ricordo di te
- In ritardo sulla scena
- In Schlabba dabba
- In Search Of
- In Search Of A Father's Love
- In Search of Adirondack Hills
- In Search of Cuba
- In Search of God and Other Poems
- In Search of Light
- In Search of Lost Time [volumes 1 to 7]
- In Search of Midnight
- In Search of Poetry
- In Search of Self: Poems and Tales of Love, Loss, and Self Worth
- In Search of Small Gods
- In Search of Some Feelings . . .
- In Search of Some Feelings…
- In Search of Some Feelings…
- In Search of Something
- In Search of the Lost
- In Search Of The Self And Eternity
- In Search Of Wisdom
- In Season's Dream
- In Secret
- In Seduction of Darkness
- In Shadows
- In Shakespeare's Shadow
- In Sichtweite
- In Simplicity of Thought
- In Sol
- In Solitude's Grace
- In Sonnenwirbeln
- In Spite of Everything...
- In Springtime’S Fields of Glory
- In stilte woedt de storm
- In T[I'M]
- In Tennyson Land
- In Terms of the Incomprehensible
- In Texas
- In the Absence of Truth
- In the Antarctic Circle
- In the Arbor
- In the Archipelago
- In the Arms of Lyra
- In the Arms of the Wind
- In The Autumn of Always
- In the Balance
- In the Beginning
- In the Beginning God
- In the Birth of a New Dawn
- In the Black Window
- In The Bosom Of The Seventh Seal
- In The Chamber of Sentimentalism
- In the Chronicles of an Immigrant Mother
- In the City of Art
- In The Clearing Stands A Boxer
- In the Comfort of His Arms
- In the Company of Words, Trees, Birds…and Bipolar
- In The Courtyard
- In The Dark
- In the Dark Before Dawn: New Selected Poems
- In The Dark Curfew'd Streets - Long Beach, Long Island in the Aftermath...
- In the Dark Nigh of the Soul
- In The Dark Recesses
- In the Days of the Cotton Wind and the Sparrow
- In the Days When the World Was Wide
- In the Days When the World Was Wide & Other Verses
- In the Days When the World Was Wide and Other Verses
- In the Days When the World Was Wide, Australian poetry
- In The Depth of My Sorrow
- In the Dimple
- In the Dust of Shadows
- In the End, Only Darkness
- In the End: Apocalyptic Poetry
- In the Extra Years
- In the Eye of the Storm
- In the Eyes of a Child
- In the Eyes of a Tiger
- In the Eyes of Our Gods
- In the Field of Dreams and Many Other Poems
- In the Field of the New Moon
- In the Flesh: Poems
- In the Forest, Falling
- In the Form of a Poem
- In the Fullness of Time
- In the Garden
- In the Garden of Floydette
- In the Garden of Illness
- In The Garden of Old Age
- In the Gossamer of Imagination
- In the Grip of God!
- In the Hands of The Living
- In the Hardship and the Hoping
- In the Heart of an Unsocial Butterfly
- In the Heart of the Mountains
- In the Heat of Shadows
- In The Hidden Part
- In the Home of the Famous Dead
- In the Hurricane's Wake
- In the Junkyards
- In the Kingdom of Dreams
- In The Labyrinth
- In the Land of Opportunity Beware
- In the Land of Snake Charmers
- In the Lateness of the World
- In the Laugh of Nightingales
- In the Light and Shade of Stairs
- In the Light of Darkness
- In the Light of Pure Love
- In the Lights of a Midnight Plow
- In The Madness Of Meeting: More Poems Of Love, Faith And Dreaming
- In The Meadow Of Night
- In the Middle of Believe There's a Lie