A manuscript exercise-book labelled 'John Owen, Plas Du' containing Welsh translations, some by T. Evan Jacob, of epigrams by John Owen [1564?-1628?] in the autograph of John Jones ('Myrddin Fardd'), with some notes on the epigrams and on John Owen, etc. Loose inside are copies of a press notice from Y Drych concerning the volume Enwau Lleoedd Sir Gaernarfon (see Cwrtmawr MS 564).