Chronological Catalogue of the Llanstephan Collection ...,
Part of Cwrtmawr manuscripts
A notebook in the hand of J. H. Davies, December 1904, containing a 'Chronological Catalogue of the Llanstephan Collection of Welsh Books and Books relating to the Welsh and other Celtic Languages up to the year 1800', with annotations from the scribe's copy of 'Llyfr Tew' and from William Rowlands ('Gwilym Lleyn') (ed. D. Silvan Evans), Llyfryddiaeth y Cymry ... (Llanidloes, 1869).
Additional manuscripts of Sir John Williams,
Part of Cwrtmawr manuscripts
A file of imperfect sections and final proof sheets (pp. 1-208) of J. H. Davies, The National Library of Wales. Catalogue of Manuscripts. Volume I. Additional Manuscripts in the Collections of Sir John Williams, Bart., G. C. V. O. (Aberystwyth, 1921), with a few marginal notes by the compiler, almost entirely referring to the sale catalogue numbers of, and prices paid for, manuscripts from the library of Sir Thomas Phillipps, Middle Hill.