Linked from
The 47 pages that link to Rare-earth element, each with the reason it gives.
YtterbyNarrower topic: Many elements identified from Ytterby minerals belong to this chemical group.
ThuliumNarrower topic: Thulium belongs to the lanthanide subset of this broader element group.
BaotouNarrower topic: Baotou is a major center for mining and processing these elements.
Group 3 elementNarrower topic: Group 3 elements overlap with this chemically defined family.