| from 01/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 02/01/1988 to 02/01/1994 in ABI/INFORM Global |
| from 01/01/2003 to 3 months ago in Business Source Premier and Computer Source |
| from 03/01/1995 to present in Alt-HealthWatch |
| from 09/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1994 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source and MasterFILE Premier |
| from 11/01/1996 to present in ABI/INFORM Global |
| from 01/01/1987 to present in ABI/INFORM Global |
| from 01/01/1994 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source and MasterFILE 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 03/01/1997 to present in Alt-HealthWatch |
| from 02/01/2000 to 07/01/2002 in Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 07/01/1997 to 03/01/2000 in Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 08/01/1998 to present in ABI/INFORM Trade & Industry |
| from 09/01/2002 to present in Business Source Premier |
| from 03/01/1994 to 6 months ago in Academic Search Premier and Sociological Collection |
| from 01/01/2001 to 1 year ago in Academic Search Premier |
| from 02/01/2003 to present in Academic Search Premier, Business Source Corporate, Business Source Premier and Computer Source |
| from 02/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 02/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 06/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 02/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 02/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 04/01/2003 to present in Academic Search Premier, Business Source Corporate, Business Source Premier and Computer Source |
| from 01/01/2003 to present in Academic Search Premier, Business Source Corporate, Business Source Premier and Computer Source |
| from 02/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 03/01/2003 to present in ABI/INFORM Global |
| from 01/01/2003 to present in ABI/INFORM Global |
| from 05/01/1995 to 12/01/2002 in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 01/01/2001 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 12/01/1987 to 1 year ago in ABI/INFORM Global |
| from 03/01/2003 to present in Business Source Premier |
| from 12/01/1987 to 10/01/1996 in ProQuest Newsstand (Complete) and ABI/INFORM Global |
| from 04/01/1988 to 10/01/1990 in ABI/INFORM Global |
| from 08/01/1999 to 08/01/2000 in Business Source Corporate and Business Source Premier |
| from 04/01/1999 to present in Academic Search Premier and Business Source Corporate |
| from 07/01/1999 to present in Business Source Corporate, Business Source Premier and Computer Source |
| from 03/01/1992 to present in ABI/INFORM Global |
| from 02/01/2001 to 1 year ago in Academic Search Premier |
| from 02/01/1998 to 1 year ago in Academic Search Premier |
| from 01/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 02/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 02/01/2001 to 1 year ago in Academic Search Premier |
| from 12/28/1998 to present in Academic Search Premier and Business Source Premier |
| from 06/01/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 06/01/2001 to present in MasterFILE Premier |
| from 12/01/2000 to present in ABI/INFORM Trade & Industry |
| from 01/01/2002 to present in MasterFILE Premier |
| from 01/01/2002 to present in MasterFILE Premier |
| from 10/01/1963 to 04/01/1970 in ABI/INFORM Global |
| from 01/01/1994 to present in MasterFILE Premier |
| from 01/01/1995 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 03/01/1998 to present in ABI/INFORM Global |
| from 1996 to present in Curtis Memorial Print Holdings |
| from 03/01/1998 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 03/01/1998 to present in ABI/INFORM Trade & Industry |
| from 06/01/1995 to 03/01/1996 in Academic Search Premier |
| from 01/01/2000 to 01/01/2000 in Business Source Corporate and Business Source Premier |
| from 01/01/1998 to 3 months ago in Academic Search Premier |
| from 07/07/2003 to present in ABI/INFORM Global |
| from 09/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 05/01/1990 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 12/01/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 1994 to present in Curtis Memorial Print Holdings |
| from 01/01/1994 to present in Business Source Premier and MasterFILE Premier |
| from 11/01/1987 to present in ABI/INFORM Global |
| from 04/01/2003 to present in ABI/INFORM Trade & Industry |
| from 10/19/1998 to present in Newspaper Source |
| from 09/30/1993 to present in ProQuest Newsstand (Complete) |
| from 01/06/1992 to 07/23/1997 in ProQuest Newsstand (Complete) |
| from 02/01/2000 to present in Academic Search Premier |
| from 10/01/1994 to present in ABI/INFORM Trade & Industry |
| from 07/01/1994 to 03/01/2000 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/01/1997 to 03/01/2000 in Business Source Corporate and Business Source Premier |
| from 09/15/2002 to present in ProQuest Newsstand (Complete) |
| from 07/07/2003 to present in Newspaper Source |
| from 09/01/1996 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and Sociological Collection |
| from 01/01/1990 to present in Academic Search Premier, MasterFILE Premier and Professional Development Collection |
| from 07/01/2003 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| 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 01/01/2002 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 08/31/1997 to present in Newspaper Source |
| from 01/01/1985 to present in ProQuest Newsstand (Complete) |
| from 09/01/1993 to present in Business Source Corporate and MasterFILE Premier |
| from 12/01/1993 to present in Regional Business News |
| from 10/01/1987 to present in ProQuest Newsstand (Complete) and ABI/INFORM Global |
| from 10/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Academic Search Premier |
| from 05/01/1995 to 02/01/1999 in ProQuest Newsstand (Complete) and ABI/INFORM Trade & Industry |
| from 01/07/1985 to present in ProQuest Newsstand (Complete) |
| from 01/01/2000 to present in Business Source Corporate and MasterFILE Premier |
| from 02/11/2000 to present in Newspaper Source |
| from 03/01/1982 to 12/01/1997 in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 03/01/1999 to 1 year ago in Academic Search Premier |
| 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 07/01/2002 to present in Business Source Corporate and Business Source Premier |
| from 03/01/1998 to 1 year ago in Academic Search Premier |
| from 01/01/1988 to 10/01/2001 in ABI/INFORM Global |
| from 10/01/1947 to present in Business Source Corporate, Business Source Premier and Sociological Collection |
| from 01/01/1992 to 1 year ago in ABI/INFORM Global |
| from 11/01/1969 to present in Business Source Corporate and Business Source Premier |
| from 03/01/1999 to 1 year ago in ABI/INFORM Global |
| from 05/01/2003 to present in Academic Search Premier |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1987 to present in ABI/INFORM Global |
| from 07/01/1999 to present in Business Source Corporate, Business Source Premier and Vocational & Career Collection |
| from 01/01/2003 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 12/01/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 10/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 02/01/2002 to present in Academic Search Premier |
| from 04/01/1998 to present in ABI/INFORM Trade & Industry |
| from 04/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 03/01/1999 to 1 year ago in ABI/INFORM Global |
| from 01/01/1995 to 1 year ago in ABI/INFORM Trade & Industry |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 07/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1964 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 11/01/1987 to present in ABI/INFORM Global |
| from 01/01/1992 to 1 year ago in ABI/INFORM Global |
| from 07/01/1993 to present in Business Source Corporate and Business Source Premier |
| from 04/01/1960 to 03/01/1970 in Business Source Corporate and Business Source Premier |
| from 04/01/1960 to 04/01/1963 in ABI/INFORM Global |
| from 07/01/1999 to present in Business Source Corporate, Business Source Premier and Vocational & Career Collection |
| from 07/01/1995 to 1 year ago in Academic Search Premier |
| from 10/01/1964 to 1 year ago in Business Source Corporate, Business Source Premier and Sociological Collection |
| from 03/01/1970 to 1 year ago in Business Source Corporate and Business Source Premier |
| from 01/01/1992 to 1 year ago in ABI/INFORM Global |
| from 06/01/1999 to 1 year ago in Business Source Corporate and Business Source Premier |
| from 12/01/1998 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/17/1996 to 08/30/1999 in ProQuest Newsstand (Complete) and ABI/INFORM Trade & Industry |
| from 07/05/1993 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 11/16/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 03/01/2000 to 1 year ago in Academic Search Premier |
| from 09/01/1998 to present in MasterFILE Premier |
| from 01/01/1999 to present in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 03/01/1999 to 1 year ago in Academic Search Premier |
| from 01/01/1999 to 6 months ago in Academic Search Premier |
| from 04/01/2000 to present in ABI/INFORM Global |
| from 08/12/2002 to present in ABI/INFORM Trade & Industry |
| from 09/01/1997 to 09/01/1997 in ABI/INFORM Global |
| from 02/01/1992 to present in ABI/INFORM Global |
| from 03/01/1971 to present in Business Source Corporate and Business Source Premier |
| from 10/01/1997 to 03/01/2000 in ABI/INFORM Global |
| from 06/01/1996 to 6 months ago in Academic Search Premier and Business Source Corporate |
| from 06/01/1997 to 10/01/2000 in ABI/INFORM Global |
| from 03/01/1996 to 12/01/1996 in Academic Search Premier |
| from 03/01/1999 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 01/01/1998 to 01/01/2003 in ABI/INFORM Global |
| from 09/01/2002 to present in Business Source Corporate, Business Source Premier and Computer Source |
| from 07/01/1996 to 06/01/2000 in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source, MasterFILE Premier and Professional Development Collection |
| from 01/01/2001 to 12/01/2002 in Academic Search Premier, Business Source Corporate and MasterFILE Premier |
| from 02/01/2001 to 12/01/2002 in MasterFILE Premier |
| from 12/01/1996 to 12/01/2002 in ABI/INFORM Trade & Industry |
| from 03/01/1999 to 3 months ago in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 01/01/1995 to 1 year ago in ABI/INFORM Global |
| from 01/01/1999 to 01/01/1999 in ABI/INFORM Trade & Industry |
| from 01/01/1988 to present in ABI/INFORM Global |
| from 01/01/1999 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 03/01/2002 to 3 months ago in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source, MasterFILE Premier and Professional Development Collection |
| from 03/20/1993 to 6 months ago in ABI/INFORM Global |
| from 02/01/2000 to 1 year ago in ABI/INFORM Global |
| from 04/01/1996 to 3 months ago in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source, MasterFILE Premier and Professional Development Collection |
| from 01/01/1997 to 6 months ago in Academic Search Premier, Business Source Corporate, Business Source Premier, Sociological Collection and Professional Development Collection |
| from 01/01/1990 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 07/01/1999 to 1 year ago in ABI/INFORM Global |
| from 01/01/1998 to 1 year ago in Business Source Corporate, Business Source Premier and Sociological Collection |
| from 03/01/1990 to present in Business Source Corporate, Business Source Premier, Computer Source and MasterFILE Premier |
| from 03/01/1990 to 1 year ago in Business Source Corporate, Business Source Premier, Computer Source and Sociological Collection |
| from 03/01/2002 to 1 year ago in ABI/INFORM Global |
| from 01/01/1995 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source and MasterFILE Premier |
| from 01/01/1995 to 1 year ago in ABI/INFORM Global |
| from 12/01/1987 to present in ABI/INFORM Global |
| from 01/01/2001 to 1 year ago in ABI/INFORM Global |
| from 01/01/1996 to 12/01/1996 in ABI/INFORM Global |
| from 10/01/1996 to 3 months ago in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source, MasterFILE Premier and Professional Development Collection |
| from 04/01/1998 to present in ABI/INFORM Global |
| from 01/01/2003 to 6 months ago in ABI/INFORM Global |
| from 07/01/1996 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source, Health Source: Nursing/Academic Edition, MasterFILE Premier and Professional Development Collection |
| from 10/01/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 03/01/2002 to 1 year ago in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/2000 to present in Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 10/01/1996 to present in ABI/INFORM Global |
| from 01/02/1995 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source, MasterFILE Premier, ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/2002 to 1 year ago in ABI/INFORM Global |
| from 03/01/2003 to present in Business Source Corporate |
| from 06/01/1992 to present in ABI/INFORM Trade & Industry |
| from 01/06/1997 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source, MasterFILE Premier, MAS Ultra - School Edition and Vocational & Career Collection |
| from 11/23/1987 to present in ABI/INFORM Global |
| from 1997 to present in Curtis Memorial Print Holdings |
| from 07/01/1997 to 10/01/1997 in Business Source Corporate and Business Source Premier |
| from 10/01/1996 to 09/01/1997 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/2002 to present in Business Source Corporate, Business Source Premier and Computer Source |
| from 11/01/1986 to present in ProQuest Newsstand (Complete) |
| from 01/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 12/01/1999 to present in Academic Search Premier and Professional Development Collection |
| from 03/01/2000 to 6 months ago in Academic Search Premier, Business Source Corporate and Health Source: Nursing/Academic Edition |
| from 03/28/2002 to present in Newspaper Source |
| from 05/01/2003 to 3 months ago in Academic Search Premier |
| from 06/01/1996 to present in MasterFILE Premier |
| from 03/01/1990 to 6 months ago in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and Sociological Collection |
| from 04/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1990 to present in Alt-HealthWatch |
| from 02/01/2001 to 1 year ago in Academic Search Premier, Business Source Corporate and Professional Development Collection |
| from 02/01/1998 to 11/01/2000 in Academic Search Premier and Professional Development Collection |
| from 09/01/2002 to 1 year ago in Professional Development Collection |
| from 01/26/1998 to present in ABI/INFORM Trade & Industry |
| from 01/01/1997 to present in ABI/INFORM Global |
| from 03/01/1998 to 1 year ago in Academic Search Premier, Business Source Premier, Health Source: Nursing/Academic Edition and Religion & Philosophy Collection |
| from 02/01/1998 to 1 year ago in Academic Search Premier |
| from 01/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 10/30/2000 to present in ABI/INFORM Trade & Industry |
| from 11/10/2000 to present in ABI/INFORM Trade & Industry |
| from 03/01/1992 to present in Academic Search Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 01/01/1999 to present in Academic Search Premier and MasterFILE Premier |
| from 01/01/1995 to present in Regional Business News |
| from 01/02/1995 to present in Business Source Corporate and MasterFILE Premier |
| from 01/01/2000 to present in Regional Business News |
| from 01/03/2000 to present in MasterFILE Premier |
| from 04/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 06/01/1998 to present in ABI/INFORM Global |
| from 11/01/2000 to present in ABI/INFORM Trade & Industry |
| from 04/01/2000 to present in Academic Search Premier |
| from 04/01/2000 to present in Academic Search Premier |
| from 04/01/2000 to present in Academic Search Premier |
| from 04/01/1998 to 28 days ago in ABI/INFORM Trade & Industry |
| from 08/01/1997 to 1 month ago in Business Source Corporate and Business Source Premier |
| from 05/01/1997 to 1 month ago in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 12/01/1987 to 28 days ago in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 09/01/1996 to 04/01/1999 in Academic Search Premier, MasterFILE Premier and Professional Development Collection |
| from 01/01/1998 to 04/01/1999 in Academic Search Premier, MasterFILE Premier and Professional Development Collection |
| from 05/01/1999 to present in Academic Search Premier, MasterFILE Premier and Professional Development Collection |
| from 08/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 05/01/1997 to 05/01/1999 in ABI/INFORM Trade & Industry |
| from 08/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2000 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 07/01/1996 to present in MasterFILE Premier, MAS Ultra - School Edition and Vocational & Career Collection |
| from 01/01/1992 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/01/1997 to present in Business Source Corporate, Business Source Premier and Computer Source |
| from 01/09/1995 to 05/03/1999 in ABI/INFORM Trade & Industry |
| from 01/03/2000 to 01/01/2001 in Business Source Corporate and Business Source Premier |
| from 11/18/1995 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 07/01/1993 to present in ABI/INFORM Global |
| from 07/01/2002 to present in ABI/INFORM Global |
| from 07/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 07/14/1997 to 04/01/2002 in Business Source Corporate and Business Source Premier |
| from 01/09/1995 to 04/19/1999 in ABI/INFORM Trade & Industry |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1993 to 05/01/1997 in ABI/INFORM Global |
| from 03/01/1998 to 3 months ago in Academic Search Premier, Business Source Corporate and Computer Source |
| from 01/01/1992 to 1 year ago in ABI/INFORM Global |
| from 01/01/2001 to 06/01/2002 in Business Source Corporate, Business Source Premier and Computer Source |
| from 08/01/2001 to 12/01/2002 in Alt-HealthWatch |
| from 01/01/1994 to 6 months ago in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and Psychology & Behavioral Sciences Collection |
| from 07/01/1996 to 06/01/2001 in Alt-HealthWatch |
| from 02/14/2002 to present in Business Source Corporate, Business Source Premier and Computer Source |
| from 05/01/1998 to present in ABI/INFORM Global |
| from 06/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 04/01/2000 to 1 year ago in Academic Search Premier |
| from 12/28/1991 to 08/02/1997 in ProQuest Newsstand (Complete) |
| from 12/23/1991 to present in ProQuest Newsstand (Complete) |
| from 02/01/2000 to 3 months ago in Academic Search Premier, Business Source Corporate, Business Source Premier and Computer Source |
| from 01/05/1999 to present in ABI/INFORM Trade & Industry |
| from 04/16/2001 to present in Business Source Corporate, Business Source Premier, Computer Source and Vocational & Career Collection |
| from 01/04/1992 to 08/01/1997 in ProQuest Newsstand (Complete) |
| from 04/01/2000 to 1 year ago in Academic Search Premier |
| from 03/01/1998 to present in ABI/INFORM Global |
| from 01/12/1998 to 10/16/2000 in Academic Search Premier, Business Source Corporate, Business Source Premier, Computer Source and MasterFILE Premier |
| from 10/23/2000 to 11/12/2001 in Academic Search Premier, |