2021
Narang - Data Structures & Algorithms Essentials
    https://gigacourse.com/data-structures-algorithms-essentials-2021/
    ...
MyLesson - DS and Algo Specialization !!!!!
    https://www.youtube.com/playlist?list=PLtS8Ubq2bIlVAVwSa9NwPMQINvm00CG2L
    ! really big stuff

2020
MIPT - Stepanov - Informatics
    https://www.youtube.com/playlist?list=PLthfp5exSWEr2uuYoKxnGtX_BycKqa5rv

2019
Arsenieva - Pointer Based Data Structures
    https://www.youtube.com/playlist?list=PL-_cKNuVAYAX6EF9-d7DyIoM1lKLy1Qnh
William Fiest - freeCodeCamp - Data Structures Easy to Advanced Course - Full Tutorial from a Google Engineer 0:00 of 8:03:16
    https://www.youtube.com/watch?v=RBSGKlAvoiM
    https://github.com/williamfiset/DEPRECATED-data-structures
    https://github.com/williamfiset/Algorithms
    ! good, java and python-based

2017
Brovko - Algorithms. Data Structures
https://www.youtube.com/playlist?list=PLwwk4BHih4fhz7NtsPUbk7B3JXh_CPt3m

2012
MIT - Advanced Data Structures
https://www.youtube.com/playlist?list=PLUl4u3cNGP61hsJNdULdudlRL493b-XZf