1. Scanned notes for some lectures by Alexander Beilinson
2. Scanned notes for Spencer Bloch's class on Hopf algebras (University of Chicago, autumn 2007)
3. Scanned notes for Madhav Nori's lectures on algebraic number theory (University of Chicago, summer 2007)
4. Scanned notes for Mircea Mustata's lectures on Faltings's second proof of the Mordell conjecture (University of Michigan, winter 2012)

The responsibility for all mistakes, omissions and inaccuracies in the above lecture notes belongs solely to me.