The target resource for this PURL can no longer be traced. The following is a list of the targets this PURL was previously assigned to.
| Timestamp | Target URL | Note |
|---|---|---|
| 10/14/10 22:27:19 | http://www.armymedicine.army.mil/news/mercury/mercury.cfm | |
| 06/03/16 10:40:42 | http://purl.fdlp.gov/history/GPO/LPS26995 |