Meudwy Môn Manuscripts Casgliad o bapurau'r Parchedig Owen Jones (Meudwy Môn, 1806-1889). Mae'n cynnwys dyddiaduron; nifer o gyfrolau o bregethau; nodiadau ar areithiau ar amryw bynciau; a nodiadau ar hynafiaethau Sir Gaernarfon a Fflint; cyfrifon yn ymwneud â chyhoeddiadau a gwerthiant llyfrau Owen Jones a chyfrol o gywyddau. A collection of 13 items of the Rev. Owen Jones ('Meudwy Mon'; 1806-1889). They include personal diaries for the years 1860, 1872 and 1879; several volumes of sermon notes; a volume containing addresses on various subjects and notes on antiquities of localities in Caernarvonshire and Flintshire; accounts in connection with the publications and sale of some of Owen Jones's books; and a volume containing copies of 'cywyddau' by Robin Ddu, Dafydd Llwyd ap Llywelyn ap Gruffudd, Owain Twna, Dafydd Gorlech, Ieuan Brydydd Hir, Huw Pennant, Sion Cent, Ieuan Dyfi, Iolo Goch, Llywelyn ab Owain, Rhys Goch Eryri, Tomas Prys, Maredudd ap Rhys, Edmwnd Prys, Owain Gwynedd, Guto'r Glyn, Tudur Aled, Wiliam Llyn, Ieuan Tew, Tudur Penllyn and Huw Cae Llwyd. c.1835 - c.1880