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

Xenobiotica is available from 07/01/1998 to 1 year ago in Academic Search Premier.

Xenotransplantation 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 Universe.

Xinhua General News Service is available from 01/01/1977 to present in LexisNexis Academic Universe.

Xinhua News Agency is available as follows: [from 12/01/1998 to present in Business & Company ProFile ASAP] [from 12/09/1998 to present in Expanded Academic ASAP and InfoTrac OneFile]

Xinhua News Bulletin is available from 02/01/1991 to 10/31/1991 in InfoTrac OneFile.

XML Journal is available as follows: [from 09/01/2001 to present in InfoTrac OneFile] [from 10/01/2001 to present in Expanded Academic ASAP]