VB.NET OOP Tutorial Sites

MSDN https://msdn.microsoft.com/en-us/library/aa289512%28v=vs.71%29.aspx 

Simple examples in a wikibook https://en.wikibooks.org/wiki/Visual_Basic/Object_Oriented_Programming

Nice Example of OOP to create a linked list http://www.worldbestlearningcenter.com/index_files/vb.net-oop-singly-linkedlist-exercise.htm (although the site formatting is terrible!)