| Publisher | Start | End | |
| Allen Press | 2004/01 | 2007/12 | |
| AMS | 2006/01 | 2006/06 | |
| Annual Reviews | 2004/01 | 2007/12 | |
| ASCE | 2005/01 | 2007/12 | |
| Biomed Central | 2004/01 | 2007/12 | |
| BioOne | 2004/01 | 2007/12 | |
| Blackwell Publishing | 2004/01 | 2007/12 | |
| Cambridge University Press | 2003/01 | 2007/12 | |
| CRC Press LLC | 2006/07 | 2007/12 | |
| Emerald | 2007/01 | 2007/12 | |
| First Search | 2005/01 | 2007/12 | |
| Future Medicine | 2004/01 | 2007/12 | |
| Highwire | 2004/01 | 2007/12 | |
| IEEE | 2004/01 | 2007/12 | |
| informaworld | 2007/01 | 2007/05 | |
| informaworld | 2007/08 | 2007/12 | |
| JSTOR | 2004/01 | 2007/12 | |
| MetaPress | 2004/01 | 2007/12 | |
| Nature | 2004/01 | 2005/12 | |
| Nature | 2007/01 | 2007/12 | |
| Nature Publishing Group | 2006/01 | 2006/12 | |
| NewsBank | 2005/01 | 2007/12 | |
| OUP | 2004/01 | 2007/12 | |
| Ovid | 2006/01 | 2007/12 | |
| Project Muse | 2005/01 | 2007/12 | |
| SAGE Publications | 2004/01 | 2007/12 | |
| ScienceDirect | 2005/01 | 2007/12 | |
| scitation | 2005/01 | 2007/12 | |
| SIAM | 2006/01 | 2007/12 | |
| springer | 2005/01 | 2006/06 | |
| Wiley | 2004/01 | 2007/12 | |
| Last update 4/22/2008 |