The group comprises `A Welsh Causerie' cuttings, 1932-1939 (some undated), other cuttings relating to his interests and activities in the fields of antiquities, crafts, culture, folklore, gypsies, politics, preachers, social customs and Welsh nationalism, 1889-1962, and correspondence and scripts relating to radio programmes, 1936-1947.

Copi o'r llyfr Hen Wynebau gan D.J. Williams (Aberystwyth, 1934), a gyflwynwyd gan yr awdur yn 1936 “I’r Staff Gorsaf Heddgeidwaid Pwllheli”. Yn ogystal, mae llythyr gan D.J. Williams, dyddiedig 10 Medi 1936, at "Superintendent Hughes a’r Staff ym Mhwllheli", wedi ei lynu y tu fewn i’r gyfrol. Darganfuwyd yr eitem hon ymysg bocs o lyfrau mewn sêl cist car.