XBOX Nation is available from 11/01/2002 to present in MasterFILE Premier, Middle Search Plus and MAS Ultra - School Edition.

XDSL News is available from 04/01/2001 to present in Business & Company Resource Center.

Xenobiotica is available from 01/01/1997 to 1 year ago in Academic Search Premier.

Xenotransplantation (Københaven) is available from 01/01/1999 to 1 year ago in Academic Search Premier.

Xinhua (China) is available from 11/24/1970 to present in eLibrary.

Xinhua Economic News Service is available from 10/12/1999 to present in LexisNexis Academic.

XML journal is available as follows: [from 10/01/2001 to present in Expanded Academic ASAP] [from 11/01/2001 to present in Business & Company Resource Center].

X-ray spectrometry is available from 1996 to present in Wiley Interscience Journals.

xSP Advisor is available from 04/11/2001 to present in MasterFILE Premier.