- School report, dated 1925, describing Owen Henry Parry as a born musician
- Letter and reference relating to Harry Parry's career at University College of North Wales.
- Scrapbook of material illustrating his career in music, from c. 1939 until his death in 1956. They contain photographs, handbills, copies of the Columbia and Parlophone Record Guide. Also contains the words and music of the song Twenty Tiny Fingers, dated 1955.
- Press cuttings (photocopies) relating to Harry Parry.
- List of recordings of Harry Parry deposited at the British Library's National Sound Archive by Mr and Mrs Taylor in 1987.