| from 06/01/2000 to present in Expanded Academic ASAP and InfoTrac OneFile |
| from 07/01/1999 to present in ¡Informe! (Spanish Version) and ¡Informe! |
| from 01/01/1989 to 04/01/2000 in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 09/05/1997 to present in Newspaper Source |
| from 01/01/1991 to 09/01/1993 in Academic Search Elite and MasterFILE Premier |
| from 08/01/1995 to 06/01/1996 in Business Source Elite and MasterFILE Premier |
| from 01/01/1979 to present in MasterFILE Premier |
| from 01/01/1985 to present in Academic Search Elite |
| from 06/01/2001 to present in Expanded Academic ASAP, Literature Resource Center and InfoTrac OneFile |
| from 11/01/2002 to present in General Reference Center Gold and InfoTrac OneFile |
| from 01/01/2002 to present in MasterFILE Premier and Vocational & Career Collection |
| from 01/01/2003 to 03/01/2003 in MasterFILE Premier, Middle Search Plus and MAS Ultra - School Edition |
| from 01/01/1998 to 1 year ago in Academic Search Elite and Health Source: Nursing/Academic Edition |
| from 09/01/2001 to present in Health Source: Consumer Edition |
| from 01/01/1996 to present in General Reference Center Gold and InfoTrac OneFile |
| from 12/01/2000 to present in InfoTrac Junior Edition and InfoTrac Kids Edition |
| from 03/01/2000 to 06/01/2001 in Business ASAP, Business & Company Resource Center and InfoTrac OneFile |
| from 07/01/2002 to present in MasterFILE Premier |
| from 03/01/2001 to present in MasterFILE Premier and Primary Search |
| from 09/01/1996 to present in General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1996 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 02/01/2000 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1996 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1997 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1996 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 03/01/2003 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/2000 to present in Academic Search Elite, Business Source Elite, MasterFILE Premier and MAS Ultra - School Edition |
| from 07/01/1991 to present in Business ASAP, Business & Company Resource Center, Expanded Academic ASAP, General Reference Center Gold, InfoTrac OneFile and InfoTrac Student Edition |
| from 07/01/1991 to 12/01/1999 in Academic Search Elite, Business Source Elite, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1999 to 01/01/1999 in Business ASAP, Business & Company Resource Center, General Reference Center Gold, InfoTrac OneFile and InfoTrac Student Edition |
| from 01/01/2002 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 09/01/2002 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1996 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/2003 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 07/01/2001 to present in InfoTrac OneFile |
| from 08/01/2001 to present in Expanded Academic ASAP and Literature Resource Center |
| from 12/01/2001 to present in Academic Search Elite, MasterFILE Premier and MAS Ultra - School Edition |
| from 04/01/2002 to present in MasterFILE Premier |
| from 07/01/2001 to present in InfoTrac OneFile |
| from 07/01/1999 to 06/01/2000 in General Reference Center Gold and InfoTrac OneFile |
| from 01/01/2002 to present in Expanded Academic ASAP, Literature Resource Center and InfoTrac OneFile |
| from 03/01/2002 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/2003 to present in Health Source: Consumer Edition and MasterFILE Premier |
| from 10/01/2002 to present in MasterFILE Premier |
| from 01/01/1996 to 11/01/2003 in Business ASAP |
| from 07/01/1993 to 02/01/2001 in Business & Company Resource Center |
| from 07/01/1993 to 11/01/2003 in General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1999 to present in InfoTrac Student Edition |
| from 07/01/1993 to present in General Reference Center Gold and InfoTrac OneFile |
| from 11/01/2000 to present in InfoTrac Junior Edition and InfoTrac Kids Edition |
| from 02/27/1997 to present in Newspaper Source |
| from 01/01/2001 to present in Business ASAP, Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 09/01/2001 to present in General Reference Center Gold, InfoTrac Junior Edition, InfoTrac Kids Edition, InfoTrac OneFile and InfoTrac Student Edition |
| from 09/06/2002 to present in MasterFILE Premier and Middle Search Plus |
| from 12/13/2002 to present in Professional Development Collection |
| from 03/01/1991 to 12/01/1998 in Academic Search Elite, MasterFILE Premier and Professional Development Collection |
| from 03/01/1990 to 12/01/1990 in Academic Search Elite, MasterFILE Premier and Professional Development Collection |
| from 11/01/2003 to present in Professional Development Collection |
| from 01/01/2000 to 06/01/2000 in Expanded Academic ASAP and InfoTrac OneFile |
| from 03/01/1998 to 6 months ago in Academic Search Elite, MasterFILE Premier and Professional Development Collection |
| from 08/15/2000 to present in Newspaper Source |
| from 03/01/1999 to present in Expanded Academic ASAP and InfoTrac OneFile |
| from 03/01/1999 to present in Business ASAP, Business & Company Resource Center and InfoTrac OneFile |
| from 12/01/2001 to present in Business ASAP, Business & Company Resource Center and InfoTrac OneFile |
| from 01/01/1994 to present in Ethnic NewsWatch Complete |
| from 12/01/2001 to present in Business ASAP, Business & Company Resource Center and InfoTrac OneFile |
| from 01/01/1999 to present in Expanded Academic ASAP, Literature Resource Center and InfoTrac OneFile |
| from 01/01/2002 to present in Business ASAP and Business & Company Resource Center |
| from 12/01/2001 to present in InfoTrac OneFile |
| from 03/01/1985 to 1 year ago in Academic Search Elite |
| from 02/01/1991 to 07/01/1992 in InfoTrac OneFile |
| from 04/14/2003 to present in Newspaper Source |