Wikipedia:Articles for deletion/Superdiversity
Whilst I share the nom's disdain for needless superlatives, superdiversity has become a notable topic in sociolinguistics different from diversity. A simple  style search shows many reliable sources in GBooks and GScholar. Here is a chapter on the topic in a Routledge handbook that serves as a good review: {{cite book|last1=Budach|first1=Gabriele|last2=Saint-Georges|first2=Ingrid de|title=Superdiversity and language|date=2017|publisher=Routledge Handbooks Online|isbn=9781138801981|page=Chapter 3|url=https://www.routledgehandbooks.com/doi/10.4324/9781315754512.ch3
— User:Mark, 09:12, 16 October 2017 (UTC)
Stance: keep
Cited policy: WP:BEFORE (Wikipedia:Articles for deletion)