Sources in order by appearance:

Intoduction;
https://www.youtube.com/watch?v=vjkjsmAXt_k

10.
https://www.youtube.com/watch?v=hs8E_IPzBZE
https://www.youtube.com/watch?v=fCOH7dCjHOw
https://www.youtube.com/watch?v=P1X8hrir1Qg

9.

https://www.youtube.com/watch?v=cxUcMoe2IBs
https://www.youtube.com/watch?v=u1HOVjqZAbE
https://www.youtube.com/watch?v=CL_xHlewwDU

8.

https://www.youtube.com/watch?v=y5edHMh2iQQ

7.

https://www.youtube.com/watch?v=grAUa9YVn5E
https://www.youtube.com/watch?v=2Q68VzroCzI

6.

https://www.youtube.com/watch?v=kXakutNvsac
https://www.youtube.com/watch?v=sbnLWjohNnk
https://www.youtube.com/watch?v=AckcbGHnqHU

5.

https://www.youtube.com/watch?v=-4Zu-pyvK74
https://www.youtube.com/watch?v=LJ0BYXEHk1g
https://www.youtube.com/watch?v=3vSN0cIj7Ac

4.

https://www.youtube.com/watch?v=gU3eZ6n8olg

3.

https://www.youtube.com/watch?v=f35XTlAl3oY
https://www.youtube.com/watch?v=paU2miwNZgY

2.
https://www.youtube.com/watch?v=LuZt1bO8Pr8
https://www.youtube.com/watch?v=Q58n_jMNoNg
https://www.youtube.com/watch?v=PgYfK954kPM

1.

https://www.youtube.com/watch?v=Pf6WSanqyvs