Revision history for entry Elliott, Clark A.: Joseph Henry. The Papers of Joseph Henry. Volume 9: January.. [ELLJHP-2]
| Time | Type | Notes |
| 2018-03-28T12:17:27 | update | System / admin update |
| 2017-04-05T19:00:46 | update | System / admin update |
| 2016-06-30T09:28:14 | add | System / admin update |
