Linked from
The 61 pages that link to Latitude, each with the reason it gives.
EquatorNarrower topic: The Equator is the zero point from which latitude is measured.
Antarctic CircleNarrower topic: The circle is defined by its south latitude.
Southern HemisphereNarrower topic: Latitude locates places within the hemisphere.
Circle of latitudeNarrower topic: Each circle gathers locations with one shared latitude value.