Plans, sections, elevations etc of Cochwillan, Llanllechid and Beddgelert and Clynnog parish churches drawn by Rowland John Hughes. Comprises:
- Details of mouldings at St Beuno's Church, Clynnog, 1905
- R.J. Hughes's survey of Cochwillan, Llanllechid, 1910
- Cochwillan-Archbishop Williams House, Llanllechid, plans, sections and elevations, details of stonework and woodwork, not dated
- Plan and details of stonework and inscriptions of St Mary's Church, Beddgelert, not dated