Correspondence and genealogical notes and papers relating to the Pierce family of Meiriadog, Denbighshire, later of Cwybyr, Flintshire, 1841-1936; leases and a few other documents, 1596-1764; autograph letters of David Jones, Llangan, 1800, and Rice Owen Jones, Blaenau, 1815; correspondence and financial accounts relating to barques and ships, 1873-1885; and letters, 1934-1936, relating to a stained glass memorial window for Llandrillo Parish Church, Denbighshire.