Here is some good stuff on Linked List and Sorting by Chuck Jazdzewski
Linked List:
Linked Lists I: Simple implementation
Linked Lists II: Simple Generics
Linked List III: Double-linked list
Linked List IV: Removing casts
Linked List V: Revenge of the Type Parameter
Linked List VI: Recursion - see recursion
Sorting
Sorting Part I - Selection Sort
Sorting Part II - QuickSort
Sorting Part III - HeapSort
Sorting IV - Radix Sort