Binary Search Tree

Deletion Explained:
https://www.youtube.com/watch?v=gcULXE7ViZw

Complete Series
http://www.youtube.com/playlist?list=PL2_aWCzGMAwI3W_JlcBbtYTwiQSsOTa6P

Data Structures and their applications

http://www.cs.cmu.edu/~adamchik/15-121/lectures/Stacks%20and%20Queues/Stacks%20and%20Queues.html