16 March 2020
- 06:0506:05, 16 March 2020 diff hist +223‎ The Road to Reality Study Notes ‎ →‎Chapter 4
- 05:5705:57, 16 March 2020 diff hist +4‎ The Road to Reality Study Notes ‎ →‎Chapter 4
- 05:5605:56, 16 March 2020 diff hist +14‎ The Road to Reality Study Notes ‎ →‎Chapter 4
- 05:5505:55, 16 March 2020 diff hist +1‎ The Road to Reality Study Notes ‎ →‎Chapter 4
- 05:5505:55, 16 March 2020 diff hist +9‎ The Road to Reality Study Notes ‎ →‎Chapter 4
13 March 2020
- 00:5300:53, 13 March 2020 diff hist +1,031‎ The Road to Reality Study Notes ‎ →‎Chapter 4