Grammatica omnibus
Graméir agus ábhar féinteagaisc ar líne
Online grammars and teach-yourself materials
English Cornish Dictionary by Nicholas Williams. Edited by Michael Everson.
Breton Grammar by Roparz Hemon, translated, adapted, and revised by Michael Everson.
Spelling reform in English: Webster's attempt at systematization. Article by Noah Webster from an 1868 dictionary, outlining his theories about spelling reform in English. Interesting article, giving rationale for some of his choices.
Langues indiennes, par Chateaubriand, 1860.
German irregular verbs
Graiméar bunúsach na Laidine * Essential Latin grammar
Michael Everson, Evertype, Westport, 2001-09-21