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- 01:43, 13 July 2015 diff hist +10 Logic: Principles of Reasoning →JHU 15.1 LOGC B
- 01:26, 13 July 2015 diff hist +44 Logic: Principles of Reasoning →JHU 15.1 LOGC B
- 01:24, 13 July 2015 diff hist -1 Logic: Principles of Reasoning →JHU 15.1 LOGC B
- 01:23, 13 July 2015 diff hist +453 Logic: Principles of Reasoning →JHU 15.1 LOGC B
