Or did Plato’s happiness exceed that of Xenocrates, or Polemo, or Arcesilas?
— from Cicero's Tusculan Disputations Also, Treatises On The Nature Of The Gods, And On The Commonwealth by Marcus Tullius Cicero

I remember that on xv one occasion he found fault with me for walking—“You might have avoided losing all those hours,” said he; for he looked upon every moment as lost which was not devoted to study.
— from The Natural History of Pliny, Volume 1 (of 6) by the Elder Pliny

Y varies: the upper part may be less than that of X, or somewhat larger.
— from Writing & Illuminating, & Lettering by Edward Johnston

During all this period, and even almost down to our [xv] own times, the common phrase of “seeing the lions” in the Tower appears to have been almost literally correct, for we seldom hear of any other animals confined there than lions or leopards.
— from The Tower Menagerie Comprising the natural history of the animals contained in that establishment; with anecdotes of their characters and history. by Edward Turner Bennett

Sold to Cristobal de Basurto two censales on the town of Xativa, one of 6000 s. principal and 375 interest, payable October 29, the other of 5000s.
— from A History of the Inquisition of Spain; vol. 2 by Henry Charles Lea

[463] All this may be collected from various passages of the Orat. xii, of Lysias.
— from History of Greece, Volume 08 (of 12) by George Grote

Think of X——, or of Z——!
— from Baudelaire: His Prose and Poetry by Charles Baudelaire

There was at one time, on the coast near Trebizond, another even more ancient Kerasous, that of Xenophon, of which a lovely valley still retains the name, being known as Kerasoun-derè; but of the city itself, there are no traces.— Bruun.
— from The Bondage and Travels of Johann Schiltberger, a Native of Bavaria, in Europe, Asia, and Africa, 1396-1427 by Johannes Schiltberger

Certainly if this land of the Collao had a deep valley like those of Xauxa or Chuquiapu, which would yield maize, it would be one of the richest in all the Indies.
— from The travels of Pedro de Cieza de Léon, A.D. 1532-50, contained in the first part of his Chronicle of Peru by Pedro de Cieza de León

[475] The Orat. xviii, of Isokratês, Paragraphê cont.
— from History of Greece, Volume 08 (of 12) by George Grote

Josh Billings announces in a still more mystic manner, strongly reminding the observer xvi of Ruskin’s bizarre, grotesque, enigmatical titles.
— from The Complete Works of Josh Billings by Josh Billings

A CALL XV.-- AND TELLS OF A DREAM XVI.-- ROBINSON SENDS A PROTEST XVII.-- A PLAN AND A CONFESSION XVIII.-- NEIL IS TAKEN OUT XIX.-- ON THE EVE OF BATTLE XX.-- COWAN BECOMES INDIGNANT XXI.-- THE "ANTIDOTE" IS ADMINISTERED XXII.-- BETWEEN THE HALVES XXIII.--
— from Behind the Line: A Story of College Life and Football by Ralph Henry Barbour