Linked from
The 8 pages that link to Sorting algorithm, each with the reason it gives.
PermutationRelated: Sorting applies a reordering to positions while preserving the data items.
Total orderRelated: Sorting uses comparisons to arrange items according to a total order.
Order statisticRelated: Sorting makes the rank defining each order statistic explicit.
Kruskal's algorithmRelated: Edges are processed in nondecreasing order of weight.