Linked from
The 135 pages that link to Historical linguistics, each with the reason it gives.
David CrystalRelated: His histories of English trace changes in the language across centuries.
Wackernagel's lawNarrower topic: The law originated as a claim about a recurring historical pattern.
Gabdulkhay AkhatovRelated: Akhatov examined the historical development of the Tatar language.
LexicologyNarrower topic: Lexical change is one part of language change more broadly.
Osthoff's lawNarrower topic: Osthoff's law is used to explain historical changes in vowel quantity.