He also wrote a history of Harlech Castle in 1878 .
Wynne had considerable knowledge about the history and genealogy of north Wales , assisting other writers and contributing articles on Merionethshire to Archaeologia Cambrensis and elsewhere .
Wynne also wrote a history of Harlech Castle in 1878 .
Wynne had considerable knowledge about the history and genealogy of north Wales , assisting other writers and contributing articles on Merionethshire to Archaeologia Cambrensis and elsewhere .