XBOX Nation is available from 11/01/2002 to present in MAS Ultra - School Edition.

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

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

XML journal is available from 10/01/2001 to present in Expanded Academic ASAP.