| from 1962 to 1968 in American Chemical Society Legacy Archives |
| from 05/01/1995 to 12/01/2002 in Computer Database, General OneFile and General Reference Center Gold |
| from 06/01/2000 to 12/01/2002 in General Business File ASAP |
| from 2003 to 2006 in History Cooperative |
| from 01/01/2006 to 10/01/2006 in General Business File ASAP, General OneFile and General Reference Center Gold |
| from 1994 to 2003 in Hillsdale College Print Holdings |
| from 01/01/2002 to present in Blackwell-Synergy |
| from 01/01/1997 to present in Wilson Select Plus |
| from 03/01/1990 to present in Academic OneFile, Computer Database, General OneFile and General Reference Center Gold |
| from 01/01/1997 to present in Wilson Select Plus |
| from 12/01/2001 to present in General Business File ASAP |
| from 01/01/1994 to present in LexisNexis Academic |
| from 04/20/1999 to present in General Business File ASAP, General OneFile and General Reference Center Gold |
| from 01/01/2006 to present in Wilson Select Plus |
| from 07/01/2007 to present in Wilson Select Plus |
| from 07/16/2007 to present in General Business File ASAP, General OneFile, General Reference Center Gold and LexisNexis Academic |
| from 09/01/2006 to 07/01/2007 in Wilson Select Plus |
| from 09/04/2006 to 07/15/2007 in General Business File ASAP, General OneFile, General Reference Center Gold and LexisNexis Academic |
| from 01/01/2006 to 07/15/2007 in LexisNexis Academic |
| from 01/09/2006 to 07/15/2007 in General Business File ASAP, General OneFile and General Reference Center Gold |
| from 2001 to 2003 in Business and Management Practices |
| from 03/01/2001 to present in General Business File ASAP, General OneFile and General Reference Center Gold |
| from 09/01/2002 to 07/01/2003 in General Business File ASAP, General OneFile and General Reference Center Gold |
| from 04/01/1993 to 04/01/2000 in General OneFile and General Reference Center Gold |
| from 04/01/1993 to 01/01/2000 in General Business File ASAP |
| from 02/01/2000 to 07/01/2002 in General Business File ASAP, General OneFile and General Reference Center Gold |
| from 01/01/1970 to present in LexisNexis Academic |
| from 1991 to 1999 in Business Dateline |
| from 2001 to 2007 in Business Dateline |
| from 03/05/2001 to present in General Business File ASAP, General OneFile, General Reference Center Gold and LexisNexis Academic |
| from 01/01/1991 to present in LexisNexis Academic (selected full-text only) |
| from 01/01/1991 to 12/31/1991 in LexisNexis Academic (selected full-text only) |
| from 11/01/1967 to 01/01/2007 in LexisNexis Academic (selected full-text only) |
| from 01/01/1993 to present in LexisNexis Academic |
| from 02/01/1999 to present in Wilson Select Plus |
| from 05/01/1994 to 08/01/1997 in LexisNexis Academic (selected full-text only) |
| from 06/01/2004 to present in Academic OneFile, General OneFile, General Reference Center Gold, Health & Wellness Resource Center (with Alternative Health Module) and Health Reference Center Academic |
| from 06/01/1999 to 05/31/2004 in Health & Wellness Resource Center (with Alternative Health Module) |
| from 06/01/1999 to 05/01/2004 in Academic OneFile, General OneFile, General Reference Center Gold and Health Reference Center Academic |
| from 07/01/2000 to 05/01/2004 in General OneFile and General Reference Center Gold |
| from 01/01/2008 to present in Project MUSE - Premium Collection |
| from 2005 to present in Oxford Journals |
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