Leases and other papers associated with tenancies of properties on the Caernarfonshire and Merionethshire estates of Clenennau, Glyn, Sylfaen and Ystumcegid, 1530-1842. The properties were situated in Beddgelert 1573-1618, and Deneio, 1749, the Dolbenmaen townships, 1546-1700, Ffestiniog, Llandanwg and Llanfair[-juxta-Harlech], 1530-1633, Llanfihangel-y-pennant, 1604-1800, Llanfihangel-y-traethau, 1600-1681, Llanystumdwy, Penmorfa and Treflys, 1613-1679, Ynyscynhaearn, 1602-1842, and miscellaneous or unknown parishes, 1596-1773.

Miscellanea, including an annotated copy of 'Cywydd Coffadwriaeth Am y diweddar David Williams, Ysw., As (Dewi Heli), Castell Deudraeth' by [John Jones ('Myrddin Fardd')] ('Buddugol yn Eisteddfod Portmadoc'); an illustrated list of sheep ear-marks ('Nodau Clustiau Defaid'), bearing the names of Robert Roberts, Bryncypla, Capel Garmon and William Roberts, Nebo, 6 October 1881; a typescript copy of a lease for six months, 7 October 1688, from Hugh Bodwrda of Bodwrda, Caernarfonshire, esquire to Sir William Glynne of Amborsden, Oxfordshire, baronet of the capital messuage and demesne lands called Bodwrda and properties (partly specified by name) in Aberdaron, Bodrydd, Penrhyn, Morfa, Uwchmynydd, [ ], Llanwadlrhys (Llanvaelrhys), Penarfynydd, Rhiw, Llangwnadle, Pwllhely Deneio (Denvio), Carnarvon, Llanllyfny and Llanbobl [ ] (Llanbeblike), Caernarfonshire; a copy, presented to John Jones ('Myrddin Fardd') by [J. Kelt Edwards] 'Kelt', of the bookplate of the Sir John Rhys Library presented to University College [of Wales], Aberystwyth, in 1916; etc.

A volume of transcripts of leases, grants, charters, etc., 1704-1755, relating to the issues and profits of the origianl seal for cos. Caernarvon, Anglesey, and Merioneth, and of sums of money payable for fines and recoveries levied in the said counties, compiled for reference by William Wynne, serjeant at law, who was granted a lease of the original seal in 1729. The volume is indexed.