First lines

O son of man⁠—name of thy choice, George MacDonald Blessed Are the Meek
“O son of mine age, these eyes lose their fire: Ambrose Bierce Stanford’s Welcome
O Southland! O Southland! James Weldon Johnson O Southland!
O star of France, Walt Whitman O Star of France
O starry light of the dim universe! David Park Barnitz Song of the Stars in Praise of Her
O statesmen, what would you be at, Ambrose Bierce A Partisan’s Protest
O sweet everlasting Voices, be still; W. B. Yeats The Everlasting Voices
O sweetheart, hear you James Joyce O Sweetheart, Hear You
O take my hand Walt Whitman! Walt Whitman Salut au Monde!
O tan-faced prairie-boy, Walt Whitman O Tan-Faced Prairie-Boy
O that a week could be an age, and we John Keats To John Hamilton Reynolds
O that Thou wouldest rend the breadth of sky, John Henry Newman Paraphrase of Isaiah 64
O Thor, the Thunderer, Henry van Dyke Jr. Chant of the Northmen at the Thunder-Oak
O Thou bright jewel in my aim I strive Phillis Wheatley On Virtue
O Thou that walkest with nigh hopeless feet George MacDonald Life-Weary
O Thou which to search out the secret parts John Donne To Mr. Samuel Brooke
O thou whose face hath felt the Winter’s wind, John Keats What the Thrush Said
O thou, my lovely boy, who in thy power William Shakespeare CXXVI
O Thou, of shepherds Prince and Head, John Henry Newman For a Confessor Bishop
O to make the most jubilant song! Walt Whitman A Song of Joys
O truant Muse, what shall be thy amends William Shakespeare CI
“O venerable patriot, I pray Ambrose Bierce The Night of Election
O very remarkable mortal, Ambrose Bierce The Following Pair
“O warrior with the burnished arms, Ambrose Bierce The Militiaman
O well for him who lives at ease Oscar Wilde A Lament
O what to me the little room W. B. Yeats The Heart of the Woman
O whitened head entwined in turban gay, James Weldon Johnson The Black Mammy
O who will walk a mile with me Henry van Dyke Jr. A Mile with Me
O women, kneeling by your altar rails long hence, W. B. Yeats A Lover Speaks to the Hearers of His Songs in Coming Days
O wonderful! How liquid clear Henry van Dyke Jr. The Hermit Thrush
O ye months of the year, George MacDonald Lycabas
O ye who push and fight Ambrose Bierce Mad
O ye who seek the Lord, John Henry Newman The Transfiguration⁠—Matins
O you whom I often and silently come where you are that I may be with you, Walt Whitman O You Whom I Often and Silently Come
O youngest of the giant brood Henry van Dyke Jr. Urbs Coronata
O, bleeding blossoms, tell, were my heart there⁠— Ameen Rihani Stolen Salvias
O, call not me to justify the wrong William Shakespeare CXXXIX
O, for my sake do you with Fortune chide, William Shakespeare CXI
O, from what power hast thou this powerful might William Shakespeare CL
O, hadst thou died when thou wert great, Ambrose Bierce Fallen
O, heavenly powers! will wonders never cease?⁠— Ambrose Bierce For Tat
O, how I faint when I of you do write, William Shakespeare LXXX
O, how much more doth beauty beauteous seem William Shakespeare LIV
O, how the light drifts from the hemlock grove, Ameen Rihani Disarmed Desire
O, how thy worth with manners may I sing, William Shakespeare XXXIX
“O, I’m the Unaverage Man, Ambrose Bierce A “Mute Inglorious Milton”
O, insatiable monster! Could’st thou not Mary Weston Fordham A Requiem
O, it was out by Donnycarney James Joyce O, It Was Out by Donnycarney
O, justice, you have fled, to dwell Ambrose Bierce Over the Border
O, lest the world should task you to recite William Shakespeare LXXII
O, let me not serve so, as those men serve, John Donne O, Let Me Not Serve So, as Those Men Serve
O, my black soul, now thou art summoned John Donne IV
O, never say that I was false of heart, William Shakespeare CIX
O, say not thou art left of God, John Henry Newman Desolation
O, Sinner A, to me unknown Ambrose Bierce To Her
O, speed thee! speed thee! gallant bark, Sarah Louisa Forten Purvis To the Hibernia
O, sweep of stars over Harlem streets, Langston Hughes Stars
O, sweet Sometime, the gardens bloom the while I wait; Ameen Rihani O, Sweet Sometime
O, that you were yourself! but, love, you are William Shakespeare XIII
O, thou, who loved me once, Ameen Rihani A Peasant’s Song
O! Do not die, for I shall hate John Donne A Fever
O! might those sighs and tears return again John Donne III
O! nothing earthly save the ray Edgar Allan Poe Al Aaraaf
O! sing ye a dirge for the loved and the lost, Mary Weston Fordham Tribute to a Lost Steamer
O! were I one of the Olympian twelve, John Keats “O! Were I One of the Olympian Twelve”
O’Driscoll drove with a song W. B. Yeats The Host of the Air
O’er the dark pines she sees the silver moon, Robert W. Service Music in the Bush
O’er the sweet, quiet homes in the silent grave-city, Voltairine de Cleyre Night on the Graves
O’er various counties of the north, James McIntyre Lines on Embro and Zorra
O’erwhelming sorrow now demands my song: Phillis Wheatley To a Lady and Her Children, on the Death of Her Son and Their Brother
Observe how Nature’s necromancies Robert Williams Wood The Pansy; The Chim‑pansy
Observe the clasped hands! Edgar Lee Masters Percival Sharp
Observe the hybrid Indian Pipe, Robert Williams Wood The Pipe; The Snipe
Observe, dear Lord, what lively pranks Ambrose Bierce Foundations of the State
Och! Father McGlynn, Ambrose Bierce In Contumaciam
Oddfellows once they had to trudge James McIntyre St. Thomas
Of a person known as Peters I will humbly crave your leave Ambrose Bierce Mr. Fink’s Debating Donkey
Of all my desert days Ameen Rihani A Better Woe
Of all the barbarous middle ages, that Lord Byron Canto XII
Of all the gifts thine hand bestows, William Cowper Praise for Faith
Of all who hail thy presence as the morning⁠— Edgar Allan Poe To Marie Louise (Shew)
Of Beachville, village of the plain, James McIntyre Lines on Beachville
Of Corporal Tanner the head and the trunk Ambrose Bierce Disincorporated
Of course, I don’t know very much Frances Ellen Watkins Harper Aunt Chloe’s Politics
Of Equality⁠—as if it harm’d me, giving others the same chances and rights as myself⁠—as if it were not indispensable to my own rights that others possess the same. Walt Whitman Thought
Of Hans Pietro Shanahan Ambrose Bierce The Fountain Refilled
Of him I love day and night I dream’d I heard he was dead, Walt Whitman Of Him I Love Day and Night
Of Ingersoll we’re justly proud, James McIntyre Hope for Ingersoll
Of John Cabanis’ wrath and of the strife Edgar Lee Masters The Spooniad
Of justice⁠—as if Justice could be anything but the same ample law, expounded by natural judges and saviors, Walt Whitman Thought
Of Kentucky’s great hunter bold James McIntyre Lines on Canadian Hunter
Of life’s elixir I had writ, when sleep Ambrose Bierce Elixir Vitae
Of Man’s first disobedience, and the fruit John Milton Book I
Of Morgan here lies the unspirited clay, Ambrose Bierce A Wasted Life
Of obedience, faith, adhesiveness; Walt Whitman Thought
Of old, with goodwill from the skies⁠— George MacDonald The Flower-Angels
Of ownership⁠—as if one fit to own things could not at pleasure enter upon all, and incorporate them into himself or herself; Walt Whitman Thoughts
Of persons arrived at high positions, ceremonies, wealth, scholarships, and the like; Walt Whitman Thought
Of public opinion, Walt Whitman Thoughts
Of Schooners, Islands and Maroons, Robert Louis Stevenson Of Schooners, Islands and Maroons

Alphabetical, keeping any leading “A” or “The”.