Forty-five letters and postcards to Owen Jones (1833-99) from the following correspondents: T. J. Wheldon, Bethania [Blaenau Ffestiniog] and Bangor, 1874-96 (25 letters and postcards) (the object of making a testimonial to Dr E[dwards] (copy), the work of choosing tunes for the Connexional hymn-books), David Williams [? 'Apeles'], [1862] (his inability to let the addressee use D[avid] R[owlands]' sermon), Evan Williams, surgeon, Bala, undated (the addressee's father is worse), Hugh Williams, Theological College, Bala, undated (about going to inspect Dr [Owen] Thomas's library), Isaac Jones Williams, Bala, 1885 (the writer's brother (deceased) and his sister, Sarah Ann), James Williams (Llydaw), Chester, 1876 (the state of their Mission in Llydaw [Brittany]), J. Williams, Tal y bont, Conway, 1867 (wishing to know the best way to go to Aberdyfi to the Association), Jno. Williams, Tyn y coed, Llandrillo, 1864-72 (7) (good wishes to the addressee and Mrs Jones in their new home, 'Cofiant y Parch. Robert Thomas'), Robert Williams, Wern ddu, [Llan]uwchllyn, [18]70 (2) (his inability to fulfil a preaching engagement, an invitation to the addressee), Robert George Williams, undated (fragment), W. Prydderch Williams, Islington, 1872 (has sent a parcel of books from Griffith Davies), W[illia]m Williams, Swansea, 1885 (2) (re going to London, mention of their Presbyterian friends and of Mr Lundie), and Watkin Williams Wynn, Wynnstay, 1885 (expressing thanks after his election success) (duplicated facsimile).

Autograph letters, 1922-1924, from William Jenkyn Jones, Welsh Calvinistic Methodist missionary in Brittany, to Daniel Lleufer Thomas, together with copies of Telen ar C'hristen: Canticou Spirituel ... (Kemper, 1895), Telen ar C'hristen (An Eil-Rann) ... (Kemper, 1910) and Canticou tennet euz Telen ar C'hristen (Kemper, n.d. [probably 1895]), all with annotations and manuscript additions by William Jenkyn Jones.