1100-1400 1911- aneirin anglo-saxon anthologies battleof catterick cattraeth celtic christianpoetry civilization collections criticism england english(old) englishpoetry epicpoetry foster greatbritain heroes historyandcriticism idrisllewelyn inliterature literatureandhistory medieval mythology oral-formulaicanalysis oraltradition pb2281 poetry poetryinwelsh taliesin textualaneirin to1100 to1500 to1550 to1600 to1600cywyddauanthologies to1600welsh-englishparalleltexts translationsintoenglish translationsintoenglishaneirin wales welsh welshauthors