| from 1986 to present in Curtis Memorial Print Holdings |
| from 06/01/1998 to 6 months ago in Academic Search Premier |
| from 01/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 09/01/1990 to 12/01/1999 in ProQuest Newsstand (Complete) |
| from 06/01/1999 to 1 year ago in Academic Search Premier |
| from 01/06/1993 to 07/28/1997 in ProQuest Newsstand (Complete) |
| from 11/24/2000 to present in Newspaper Source |
| from 03/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 02/01/1998 to 02/01/1998 in ABI/INFORM Trade & Industry |
| from 04/01/1997 to present in ABI/INFORM Trade & Industry |
| from 04/01/1992 to 01/01/1998 in ProQuest Newsstand (Complete) |
| from 10/01/2000 to 1 year ago in Academic Search Premier and MasterFILE Premier |
| from 03/01/1995 to 06/01/2000 in Alt-HealthWatch |
| from 01/01/1992 to present in Academic Search Premier, Business Source Corporate, MasterFILE Premier, Religion & Philosophy Collection, MAS Ultra - School Edition and Vocational & Career Collection |
| from 01/01/1993 to 14 days ago in Literature Resource Center |
| from 5 years to present in Curtis Memorial Print Holdings |
| from 01/01/1999 to present in MasterFILE Premier and MAS Ultra - School Edition |
| from 07/01/2001 to present in MasterFILE Premier |
| from 01/24/2000 to 04/30/2001 in ABI/INFORM Trade & Industry |
| from 05/24/2003 to present in Newspaper Source |
| from 01/26/2000 to 01/29/2001 in ABI/INFORM Trade & Industry |
| from 01/19/2000 to 02/19/2001 in ABI/INFORM Trade & Industry |
| from 05/12/1998 to 08/11/2000 in ABI/INFORM Trade & Industry |
| from 01/26/2000 to present in ABI/INFORM Trade & Industry |
| from 01/25/2000 to 07/12/2000 in ABI/INFORM Trade & Industry |
| from 07/08/1991 to present in Curtis Memorial Print Holdings |
| from 10/01/1922 to present in Business Source Corporate and Business Source Premier |
| from 06/01/1999 to 06/01/1999 in Literature Resource Center |
| from 10/01/1990 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 07/01/1994 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 11/01/2000 to present in Curtis Memorial Print Holdings |
| from 01/01/1996 to present in ABI/INFORM Global |
| from 03/01/1990 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1990 to present in Academic Search Premier, Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 11/01/1964 to present in Academic Search Premier and Business Source Premier |
| from 05/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 07/01/1998 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 01/01/2002 to present in Academic Search Premier and MasterFILE Premier |
| from 11/01/2001 to present in Curtis Memorial Print Holdings |
| from 01/01/1994 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier, Psychology & Behavioral Sciences Collection and MAS Ultra - School Edition |
| from 11/01/2001 to present in Curtis Memorial Print Holdings and Curtis Memorial Print Holdings |
| from 05/01/1999 to 1 year ago in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 01/01/1994 to present in Alt-HealthWatch, Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier, MAS Ultra - School Edition and Vocational & Career Collection |
| from 10/01/2000 to present in Curtis Memorial Print Holdings |
| from 07/01/1990 to present in Academic Search Premier, Business Source Corporate, Health Source: Nursing/Academic Edition, MasterFILE Premier, Religion & Philosophy Collection and Sociological Collection |
| from 12/31/1992 to 08/09/1997 in ProQuest Newsstand (Complete) |
| from 01/01/1985 to present in ProQuest Newsstand (Complete) |
| from 01/01/1994 to present in Business Source Corporate, Regional Business News and MasterFILE Premier |
| from 08/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2002 to present in ABI/INFORM Trade & Industry |
| from 10/01/1994 to present in ABI/INFORM Trade & Industry |
| from 02/01/1998 to present in ABI/INFORM Trade & Industry |
| from 01/01/2000 to 1 year ago in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 01/01/2002 to present in Alt-HealthWatch and MasterFILE Premier |
| from 01/01/1996 to 01/01/1999 in Academic Search Premier and MasterFILE Premier |
| from 01/01/1995 to 03/01/1997 in Alt-HealthWatch |
| from 01/01/1990 to 01/01/1998 in Alt-HealthWatch |
| from 01/01/1990 to 05/01/1997 in Alt-HealthWatch |
| from 11/01/2002 to present in ABI/INFORM Trade & Industry |
| from 01/08/2001 to present in Academic Search Premier and Business Source Corporate |
| from 01/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 02/01/1990 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 02/01/1992 to present in Alt-HealthWatch, Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier, Middle Search Plus, MAS Ultra - School Edition and Vocational & Career Collection |
| from 1994 to present in Curtis Memorial Print Holdings |
| from 04/01/1990 to 09/01/2002 in Alt-HealthWatch |
| from 01/01/1994 to present in ABI/INFORM Global |
| from 01/01/2002 to present in Business Source Corporate |
| from 06/01/2002 to present in Alt-HealthWatch |
| from 01/01/1997 to present in Alt-HealthWatch |
| from 01/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1987 to present in ABI/INFORM Global |
| from 03/01/1990 to present in Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/01/1997 to 6 months ago in Academic Search Premier, Health Source: Nursing/Academic Edition, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 01/01/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1999 to 1 year ago in ABI/INFORM Global |
| from 04/01/1987 to present in ABI/INFORM Global |
| from 09/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 09/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1991 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/1989 to 1 year ago in Academic Search Premier |
| from 07/01/1998 to present in ABI/INFORM Trade & Industry |
| from 06/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1995 to present in Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/01/1992 to present in Alt-HealthWatch, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1999 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 03/01/1987 to present in ABI/INFORM Global |
| from 01/07/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1992 to 07/01/2001 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 03/01/2001 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 09/01/1997 to present in ABI/INFORM Trade & Industry |
| from 12/01/1987 to present in ABI/INFORM Global |
| from 12/01/1996 to present in Business Source Corporate, Business Source Premier, Computer Source, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/01/1992 to 01/01/1998 in ABI/INFORM Global |
| from 01/01/1995 to 01/01/1998 in ABI/INFORM Global |
| from 03/01/1991 to present in Academic Search Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 03/01/1992 to 06/01/1995 in MasterFILE Premier |
| from 01/01/1996 to 03/01/1996 in MasterFILE Premier |
| from 10/01/2000 to present in Health Source: Nursing/Academic Edition |
| from 03/01/1999 to 1 year ago in Academic Search Premier, Business Source Corporate, Business Source Premier and Health Source: Nursing/Academic Edition |
| from 03/01/2000 to 1 year ago in ABI/INFORM Global |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 05/01/2001 to present in ABI/INFORM Global |
| from 01/01/1992 to 11/01/1997 in ABI/INFORM Global |
| from 07/01/1995 to 11/01/1997 in Academic Search Premier, Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/01/1990 to 11/01/1995 in Alt-HealthWatch |
| from 05/01/1996 to present in Alt-HealthWatch |
| from 01/01/1991 to present in ABI/INFORM Global |
| from 09/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1994 to present in Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 12/01/1987 to present in ABI/INFORM Global |
| from 07/01/1997 to 11/01/1998 in Academic Search Premier, Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/12/1995 to 11/23/2000 in ABI/INFORM Trade & Industry |
| from 01/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 02/01/2001 to present in ABI/INFORM Trade & Industry |
| from 02/01/1998 to 10/01/2000 in Alt-HealthWatch |
| from 11/01/1993 to 12/01/1999 in Alt-HealthWatch |
| from 01/01/2002 to present in MasterFILE Premier |
| from 05/01/1994 to present in Academic Search Premier, Health Source: Nursing/Academic Edition and Professional Development Collection |
| from 01/01/1995 to 06/01/1996 in Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/01/2002 to present in MasterFILE Premier |
| from 02/01/1995 to present in Alt-HealthWatch and MasterFILE Premier |
| from 09/01/2001 to present in MasterFILE Premier |
| from 02/09/2000 to present in Health Source: Nursing/Academic Edition |
| from 03/01/2001 to present in MasterFILE Premier |
| from 07/01/2000 to 1 year ago in Academic Search Premier |
| from 01/01/1999 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 02/01/2002 to present in Academic Search Premier |
| from 04/01/2002 to present in ABI/INFORM Trade & Industry |
| from 01/01/1997 to present in ABI/INFORM Trade & Industry |
| from 07/02/2003 to present in Academic Search Premier |
| from 03/01/1999 to 1 year ago in ABI/INFORM Global |
| from 07/01/1996 to present in Academic Search Premier |
| from 03/01/1998 to 1 year ago in Academic Search Premier |
| from 01/06/1995 to present in ABI/INFORM Trade & Industry |
| from 03/01/1999 to present in Literature Resource Center |
| from 01/01/2000 to 1 year ago in Academic Search Premier |
| from 09/01/1981 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 09/01/1994 to present in Literature Resource Center |
| from 09/01/1997 to present in Academic Search Premier and MasterFILE Premier |
| to Current year in Curtis Memorial Print Holdings |
| from 02/01/2001 to 1 year ago in Academic Search Premier |
| from 04/03/1995 to present in Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 09/02/1997 to present in Newspaper Source |
| from 10/02/2001 to present in ProQuest Newsstand (Complete) |
| from 07/01/1991 to present in ProQuest Newsstand (Complete) |
| from 12/19/1991 to 08/21/1997 in ProQuest Newsstand (Complete) |
| from 01/01/1995 to 10/08/2001 in ProQuest Newsstand (Complete) |
| from 11/29/1992 to 08/12/1997 in ProQuest Newsstand (Complete) |
| from 06/15/1999 to present in Newspaper Source |
| from 12/08/1991 to present in ProQuest Newsstand (Complete) |
| from 01/01/1998 to present in ProQuest Newsstand (Complete) |
| from 03/11/1998 to present in Newspaper Source |
| from 01/19/2002 to present in Newspaper Source |
| from 03/01/1990 to 03/01/1997 in Alt-HealthWatch |
| from 04/01/1990 to present in Alt-HealthWatch |
| from 02/01/1996 to 1 year ago in Academic Search Premier |
| from 07/01/1990 to 07/01/1993 in Academic Search Premier and MasterFILE Premier |
| from 03/01/1990 to 12/01/1999 in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1994 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 02/01/1995 to 08/01/1998 in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source and MasterFILE Premier |
| from 01/01/1997 to 1 year ago in Academic Search Premier and Religion & Philosophy Collection |
| from 12/01/1998 to 6 months ago in Academic Search Premier, MasterFILE Premier, Psychology & Behavioral Sciences Collection and Professional Development Collection |
| from 03/01/2001 to present in MasterFILE Premier |
| from 06/01/1999 to present in Newspaper Source |
| from 10/01/1996 to present in Academic Search Premier, MasterFILE Premier, Psychology & Behavioral Sciences Collection and Professional Development Collection |
| from 12/01/1997 to 09/01/2002 in ABI/INFORM Trade & Industry |
| from 12/01/1987 to 11/01/1989 in ABI/INFORM Global |
| from 02/01/2002 to present in Academic Search Premier |
| from 02/01/1998 to present in ABI/INFORM Trade & Industry |
| from 07/07/1997 to present in Business Source Corporate and Business Source Premier |
| from 04/01/1998 to 1 year ago in Academic Search Premier and Professional Development Collection |
| from 03/01/2003 to present in Academic Search Premier |
| from 01/01/1997 to 1 year ago in Academic Search Premier and Sociological Collection |
| from 04/01/1999 to 1 year ago in Academic Search Premier and Professional Development Collection |
| from 09/01/1993 to present in MasterFILE Premier and Primary Search |
| from 1995 to present in Curtis Memorial Print Holdings |
| from 01/01/1996 to present in ProQuest Newsstand (Complete) |
| from 11/01/1992 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 02/01/1997 to 1 year ago in Academic Search Premier |
| from 06/17/1999 to 08/24/2000 in Newspaper Source |
| from 06/01/2002 to present in Business Source Corporate, Business Source Premier and Vocational & Career Collection |
| from 06/01/2003 to present in Academic Search Premier |
| from 01/01/1990 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 03/01/1990 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1998 to 1 year ago in Academic Search Premier |
| from 02/01/1990 to present in Academic Search Premier, MasterFILE Premier, Religion & Philosophy Collection and MAS Ultra - School Edition |
| from 07/01/1996 to 04/01/1999 in MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/2001 to 1 year ago in Academic Search Premier |
| from 03/01/1990 to 6 months ago in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1999 to present in Academic Search Premier |
| from 01/01/1990 to present in Academic Search Premier, MasterFILE Premier, MAS Ultra - School Edition and Professional Development Collection |
| from 02/01/1998 to 1 year ago in Academic Search Premier and Religion & Philosophy Collection |
| from 03/01/2000 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 03/01/1998 to 1 year ago in Academic Search Premier, Business Source Corporate and Computer Source |
| from 10/01/1990 to 1 year ago in Academic Search Premier |
| from 03/01/1997 to present in Literature Resource Center |
| from 06/01/1996 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1996 to 6 months ago in Academic Search Premier |
| from 03/01/1996 to present in Academic Search Premier and Sociological Collection |
| from 01/01/1999 to 1 year ago in Academic Search Premier and Religion & Philosophy Collection |
| from 09/01/1998 to 1 year ago in Academic Search Premier and Religion & Philosophy Collection |
| from 03/01/1997 to 6 months ago in Academic Search Premier, Business Source Corporate and Computer Source |
| from 02/01/1975 to present in Academic Search Premier, MasterFILE Premier, Religion & Philosophy Collection, MAS Ultra - School Edition and Sociological Collection |
| from 09/01/1993 to 1 year ago in Academic Search Premier and Professional Development Collection |
| from 09/01/1998 to 1 year ago in Academic Search Premier |
| from 01/01/1997 to 04/01/2000 in ABI/INFORM Global |
| from 03/01/1997 to 1 year ago in Business Source Corporate and Business Source Premier |
| from 02/01/1997 to present in Literature Resource Center |
| from 08/01/1993 to present in Academic Search Premier and Religion & Philosophy Collection |
| from 03/01/2003 to present in Academic Search Premier |
| from 06/01/1996 to 12/01/2001 in Academic Search Premier and MasterFILE Premier |
| from 03/01/2001 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 02/01/2001 to present in Academic Search Premier and Professional Development Collection |
| from 01/01/1975 to present in Academic Search Premier, MasterFILE Premier, Religion & Philosophy Collection and MAS Ultra - School Edition |
| from 10/01/1999 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 10/15/2001 to present in ABI/INFORM Trade & Industry |
| from 11/01/1998 to present in MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/1994 to 06/01/1997 in Alt-HealthWatch |
| from 01/01/1999 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 12/13/1992 to 08/20/1997 in ProQuest Newsstand (Complete) |
| from 01/04/2000 to present in MasterFILE Premier |
| from 02/01/1998 to present in Academic Search Premier |
| from 09/01/2002 to 3 months ago in Academic Search Premier and Religion & Philosophy Collection |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 01/06/2003 to present in Business Source Corporate |
| from 01/11/1999 to 7 days ago in ABI/INFORM Trade & Industry |
| from 01/01/1998 to 01/01/1999 in ABI/INFORM Trade & Industry |
| from 03/01/1995 to 01/01/1999 in Business Source Corporate and MasterFILE Premier |
| from 06/01/1998 to 12/01/2000 in ABI/INFORM Trade & Industry |
| from 09/01/1993 to 07/01/1996 in MasterFILE Premier, MAS Ultra - School Edition and Vocational & Career Collection |
| from 01/07/2001 to present in Newspaper Source |
| from 03/01/1995 to 03/01/1995 in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 01/01/1995 to 05/01/1998 in Business Source Corporate, Computer Source, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/03/2000 to present in Business Source Corporate and Business Source Premier |
| from 06/24/1996 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/2002 to present in Business Source Corporate |
| from 04/01/2002 to present in ABI/INFORM Trade & Industry |
| from 02/01/1990 to 08/01/2000 in Alt-HealthWatch |
| from 03/01/2003 to present in Academic Search Premier |
| from 11/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 07/01/1999 to 05/01/2001 in ABI/INFORM Trade & Industry |
| from 01/01/2002 to present in Business Source Corporate, Business Source Premier and Vocational & Career Collection |
| from 11/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 08/10/2000 to 06/20/2002 in ProQuest Newsstand (Complete) |
| from 08/28/2000 to present in Newspaper Source |
| from 10/01/1997 to 02/01/1999 in ABI/INFORM Trade & Industry |
| from 11/26/1991 to 10/23/1999 in ProQuest Newsstand (Complete) |
| from 08/01/1993 to present in MasterFILE Premier and Primary Search |
| from 1995 to present in Curtis Memorial Print Holdings |
| from 01/01/1993 to present in Literature Resource Center |
| from 07/01/1990 to present in Academic Search Premier, MasterFILE Premier and Professional Development Collection |
| from 1967 to present in Curtis Memorial Print Holdings |
| to 1 year plus current in Curtis Memorial Print Holdings |
| from 01/01/1991 to present in MasterFILE Premier, Middle Search Plus, MAS Ultra - School Edition and Vocational & Career Collection |
| from 05/01/1990 to present in Academic Search Premier, MasterFILE Premier, MAS Ultra - School Edition and Vocational & Career Collection |
| from 1987; 6/1989 to present in Curtis Memorial Print Holdings |
| from 01/01/2003 to present in ABI/INFORM Trade & Industry |
| from 01/01/1994 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/01/1995 to 04/01/1995 in Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 06/01/1998 to present in ABI/INFORM Trade & Industry |
| from 07/01/2002 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 07/01/1991 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 02/01/1987 to 02/01/2001 in ABI/INFORM Global |
| from 01/01/1990 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and Vocational & Career Collection |
| from 04/01/1998 to present in ABI/INFORM Trade & Industry |
| from 05/01/1998 to present in ABI/INFORM Trade & Industry |
| from 07/01/1993 to present in Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 01/05/1995 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 03/05/1988 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/11/1993 to present in Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 10/20/1997 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/01/1993 to present in Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 03/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 05/14/2002 to present in Newspaper Source |
| from 01/01/1999 to present in MasterFILE Premier, MAS Ultra - School Edition and Vocational & Career Collection |
| from 5 years to present in Curtis Memorial Print Holdings |
| from 02/01/1998 to present in Business Source Corporate and MasterFILE Premier |
| from 02/01/1993 to present in MasterFILE Premier and Vocational & Career Collection |
| from 04/01/1998 to 07/01/1999 in |