Before revision: David Quinn describes the work as "far ahead of its time", "sufficiently original to be the pioneer European work on the comparative philology of the Celtic language ", and "one of the bases on which the scientific study of Celtic philology was re-laid a century and a half later."
After revision: David Quinn describes the work as "far ahead of its time", "sufficiently original to be the pioneer European work on the comparative philology of the Celtic languages ", and "one of the bases on which the scientific study of Celtic philology was re-laid a century and a half later."