Adroddiad blynyddol Coleg Harlech gan gynnwys teyrnged i’r Athro Henry Lewis / Annual report of Coleg Harlech including a tribute to Professor Henry Lewis Adroddiad blynyddol Coleg Harlech ar gyfer 1967-1968 gan gynnwys teyrnged i’r Athro Henry Lewis. Llythyr cysylltiedig gan Coleg Harlech i Mrs Lewis. Ffotograff o academyddion gan gynnwys Henry Lewis mewn gwisg academaidd / Coleg Harlech annual report for 1967-68 including a tribute to Professor Henry Lewis. Accompanying letter from Coleg Harlech to Mrs Lewis. Photograph of academics and dignitaries including Henry Lewis in academic robes 1967-1968