| | Source | Title | Auther | Subject | Year | URL |
| 1 | springer | X-Ray Astronomy | Joachim E. Trümper, Günther Hasinger. | Physics and Astronomy | 2008 | Go to website |
| 2 | springer | XNA 2.0 Game Programming Recipes | Riemer Grootjans. | Professional and Applied Computing | 2008 | Go to website |
| 3 | ebrary | XNA Game Studio Express : Developing Games for Windows and the XBOX 360 | Hall, Joseph B. | Computer_IT | 2008 | Go to website |
| 4 | springer | X-Ray Scattering of Polymers | Norbert Stribeck. | Chemistry and Materials Science | 2007 | Go to website |
| 5 | springer | X-Ray Lasers 2006 | P.V. Nickles, K.A. Janulewicz. | Physics and Astronomy | 2007 | Go to website |
| 6 | springer | XML for Bioinformatics | Ethan Cerami. | Computer Science | 2005 | Go to website |
| 7 | springer | X-rays for Archaeology | M. Uda, G. Demortier, I. Nakai. | Humanities, Social Science and Law | 2005 | Go to website |
| 8 | springer | X-Ray Diffraction by Macromolecules | Nobutami Kasai, Masao Kakudo. | Physics and Astronomy | 2005 | Go to website |
| 9 | ebrary | Xo : A Theory of the Morphology-Syntax Interface | Li, Yafei | Language, Literature & Linguistics | 2005 | Go to website |
| 10 | ebrary | XML Demystified | Keogh, James | Computer_IT | 2005 | Go to website |
| 11 | ebrary | XII Congress of the International Organization for Septuagint and Cognate Studies Leiden, 2004 | Peters, M.K.H. | Religion, Philosophy & Classics | 2004 | Go to website |
| 12 | ebrary | XSLT 2. 0 Programmer's Reference (3rd Edition) | Kay, Michael | Computer_IT | 2004 | Go to website |
| 13 | ebrary | XML for Web Designers Using Macromedia Studio MX 2004 | Ruse, Kevin Michael | Computer_IT | 2004 | Go to website |
| 14 | ebrary | XIVth International Congress on Mathematical Physics | Zambrini, Jean-Claude | Physical Sciences | 2003 | Go to website |
| 15 | ebrary | XML Security | Dournaee, Blake | Computer_IT | 2002 | Go to website |
| 16 | ebrary | XML Schemas | Valentine, Chelsea | Computer_IT | 2002 | Go to website |
| 17 | ebrary | XML Business Applications | Simon, Solomon H. | Business | 2001 | Go to website |
| 18 | ebrary | xDSL | Bates, Regis J. Bud" | Engineering_Technology | 2001 | Go to website |
| 19 | ebrary | XML Business Applications | Simon, Solomon H. | Computer_IT | 2001 | Go to website |
| 20 | ebrary | Xia, Shang, & Zhou Dynasties or China, 400 BCE-221 BCE -- Gobi Desert, Yellow River, Yin, Anyang, Hao, Luoyang, Erlitou, Ao, Yangzi River, Huang He, Chang Jiang, East China Sea, Yellow Sea, Korea Map | Maps.com | Interdisciplinary & Area Studies | 1999 | Go to website |
| 21 | ebrary | Xenotransplantation : Science, Ethics, and Public Policy | Committee on Xenograft, Transplantation Institute | Nursing & Allied Health | 1996 | Go to website |
| 22 | ebrary | Xenotransplantation : Science, Ethics, and Public Policy | Committee on Xenograft, Transplantation Institute | Medicine | 1996 | Go to website |
| 23 | ebrary | Xenotransplantation : Science, Ethics, and Public Policy | Committee on Xenograft, Transplantation Institute | Life Sciences | 1996 | Go to website |
| 24 | ebrary | Xenophon and the History of His Times | Dillery, John | Religion, Philosophy & Classics | 1995 | Go to website |
| 25 | ebrary | Xenophon and the History of His Times | Dillery, John | History&Political Sciences | 1995 | Go to website |