Linked from
The 97 pages that link to Graph theory, each with the reason it gives.
Finite setRelated: Finite graphs are built from finite vertex and edge sets.
Complex systemRelated: Graphs provide a formal language for representing component connections.
Endre SzemerédiRelated: Szemerédi developed graph methods that became central to combinatorics.
Richard RadoRelated: Rado’s work includes influential results about infinite graphs.
Kevin BaconRelated: The game models actors and shared films as vertices connected by edges.