- xan - A Merry Dialogue Declaringe the Properties of Shrowde Shrews and Honest Wives
- xanthe
- xanthippe
- xantip - A Merry Dialogue Declaringe the Properties of Shrowde Shrews and Honest Wives
- xantippa - A Merry Dialogue Declaringe the Properties of Shrowde Shrews and Honest Wives
- xantippe
- xenophanes - The wise men of Greece, in a series of dramatic dialogues, by John Stuart Blackie.
- xerox laser - Free as in Freedom: Richard Stallman's Crusade for Free Software
- xiii
- xiith - First series, IVth to XIIth dynasty
- xiith dynasty
- xingu - The Land of Mystery
- xith dynasty - æa, Syria, Babylonia, and Assyria in the Light of Recent Discovery
- xiv - Widger's Quotations from the Project Gutenberg Editions of the Court Memoirs of France
- xix - Selected English Letters (XV - XIX Centuries)
- xixth dynasty - Second series, XVIIIth to XIXth dynasty
- xld - X-Ing A Paragrab
- xodar
- xut - X-Ing A Paragrab
- xvi - The Art of Interior Decoration
- xviiith dynasty - æa, Syria, Babylonia, and Assyria in the Light of Recent Discovery
- xxi - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.
- xxii
- xxiv - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.
- xxix - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.
- xxv - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.
- xxvi - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.
- xxvii - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.
- xxviii - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.
- xxx - Widger's Quotations from the Project Gutenberg Editions of the Works of Jacques Casanova
- xxxi - King Alfred's Old English version of Boethius De consolatione philosophiae / edited from the MSS., with introduction, critical notes and glossary, by Walter John Sedgefield.