| from 09/01/2002 to 12/01/2002 in General OneFile |
| from 05/06/1991 to 04/27/1992 in General OneFile |
| from 01/01/2004 to 03/01/2007 in ProQuest Research Library |
| from 03/01/2002 to present in LexisNexis Academic (selected full-text only) |
| from 12/01/1998 to 01/31/2001 in Business Source Premier |
| from 02/10/2007 to present in LexisNexis Academic |
| from 01/01/2005 to present in General OneFile |
| from 06/01/2006 to present in Academic OneFile |
| from 01/01/2002 to 3 years ago in ProQuest Research Library |
| from 03/01/2003 to 1 year ago in Academic Search Premier and Literary Reference Center |
| from 02/04/1990 to present in LexisNexis Academic |
| from 11/26/2000 to present in Newspaper Source |
| from 08/26/2007 to present in Academic OneFile and General OneFile |
| from 01/01/1999 to present in General OneFile |
| from 10/01/2005 to present in MasterFILE Premier, Middle Search Plus and Primary Search |
| from 12/01/2005 to present in ProQuest Research Library |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 01/01/2002 to 05/31/2004 in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/2002 to 05/31/2004 in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 12/01/2006 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/2002 to 05/31/2004 in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/2002 to 05/31/2004 in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 01/01/2004 to present in Business Source Premier |
| from 05/01/2004 to present in Business Source Premier |
| from 01/01/1992 to 1 year ago in ABI/INFORM Global |
| from 01/01/1988 to 03/01/2003 in ABI/INFORM Global |
| from 01/01/1998 to 03/31/2003 in Business Source Premier and MasterFILE Premier |
| from 06/01/2001 to 03/01/2003 in General OneFile |
| from 01/01/2005 to present in LexisNexis Academic |
| in LexisNexis Academic |
| in LexisNexis Academic |
| in LexisNexis Academic |
| from 10/01/2000 to present in LexisNexis Academic |
| from 01/09/1997 to present in LexisNexis Academic |
| in LexisNexis Academic |
| from 1992 to present in Bergen Community College Print Titles |
| from 01/01/2002 to 07/01/2002 in ProQuest Research Library |
| from 01/11/1975 to present in LexisNexis Academic |
| from 08/01/1989 to present in LexisNexis Academic |
| from 07/25/2003 to present in General OneFile |
| from 02/01/2001 to present in Business Source Premier |
| from 02/01/2002 to present in General OneFile |
| from 11/13/2004 to present in LexisNexis Academic |
| from 04/08/1997 to present in LexisNexis Academic |
| from 04/30/1990 to 06/26/2006 in General OneFile |
| from 01/02/1995 to present in MasterFILE Premier |
| from 01/01/2005 to present in Business Source Premier |