Congeries:

A collection; an aggregation. source & source
from Latin; from congerere: to pile up; from gerere: to carry.

A repository of useful data structures

• CircularList
• DoublyLinkedList
• FileDict, FileDotDict
• LinkedList
• PositionalList
• UnionFind: QickFindUF, QuickUnionUF, WeightedQuickUnionUF, WeightedQuickUnionPathCompressionUF