Functional Analysis YouTube-Playlist – PDF versions of the videos
Measure Theory YouTube-Playlist – PDF versions of the videos
Start Learning Mathematics YouTube-Playlist – PDF versions of the videos
Real Analysis YouTube-Playlist – PDF versions of the videos
Distributions YouTube-Playlist – PDF versions of the videos
Jordan Normal Form YouTube-Playlist
Maßtheorie (Deutsch) – YouTube-Playlist
All other videos here. (I am still working on a good summary:)