Ask HN: Where Can I Find Balaji Srinivasan's Startup Engineering Course?

It seems that Balaji's Startup Engineering Course has been taken down off Coursera and the Stanford website. There is a Youtube playlist [1], but I can't seem to find the other materials.

[1] https://www.youtube.com/playlist?list=PL58C6Q25sEEFVyISrZc80RhYFpyMF_DYl