Revision history for entry Rosa, António Machuco: Spencer-Brown, Peirce, Girard, and the Origin of Logic [ROSSPG]
| Time | Type | Notes |
| 2017-11-14T15:31:06 | update | |
| 2016-04-17T16:34:09 | update | System / admin update - |
| 2015-10-08T18:17:10 | add | System / admin update - |
