1989-<>: New York, NY : Hemisphere Pub. Corp., [c1989- <Jan. 1994->: Washington, DC : Taylor & Francis
| Archivage | Début | Fin |
|---|---|---|
| CLOCKSS Archive | 1989 | 2024 |
| CLOCKSS Archive | 2007 | 2017 |
| Internet Archive | 1989 | 2013 |
| Library of Congress | 2017 | 2024 |
| LOCKSS Archive | 1989 | 2024 |
| National Digital Preservation Program, China | 1997 | 2024 |
| Portico | 1993 | 2024 |
| Scholars Portal | 1989 | 2024 |