Some one hundred and thirty-eight letters to Nassau William Senior, mostly from statesmen, economists and ecclesiastical dignitaries. The letters were previously in an album, a list of the original contents of which can be found on ff. i-ii.
The correspondents are Henry Richard Vassall Fox, Baron Holland, 1831-1840 (ff. 1-26 verso), Elizabeth Vassall Fox, Lady Holland, [?1830s] (ff. 27-33 verso), Henry Edward Fox, Baron Holland, 1851-1853 (ff. 35-51 verso), Sir Robert John Wilmot Horton, 1829-1834 (ff. 52-64), George Eden, Earl of Auckland, 1831-1835 (ff. 66-68 verso), George William Frederick Howard, Earl of Carlisle, 1840-1859 (ff. 74-78 verso), Sir Charles Wood, 1831 (f. 80), William Wyndham Grenville, Baron Grenville, 1831 (f. 82), Thomas Hyde Villiers, 1831 (f. 84), Henry Drummond, 1831 (f. 88), William Sturges-Bourne, 1832-1834 (ff. 90-96 verso), D. O. P. O. Leaden, 1832 (f. 98), Henry Ellis, 1832 (f. 100), George William Frederick Villiers, Earl of Clarendon, 1833-1859 (ff. 102-111), Edward George Geoffrey Smith Stanley, Earl of Derby, 1834 (f. 112), Thomas Young, 1834 (f. 114), Charles Gordon-Lennox, Duke of Richmond, 1834 (f. 116), Joseph Luckerman, 1834 (f. 118), Charles Grey, Earl Grey, 1834-1848 (ff. 120-145), C. J. Darbishire, 1834 (f. 146), Joseph Hume, 1834-1835 (ff. 147-148 verso), Thomas Milner Gibson, 1834 (f. 150), William Lamb, Viscount Melbourne, 1835-1836 (ff. 152-156 verso), John Charles Spencer, Earl Spencer, 1835-1836 (ff. 158-167), Robert Adney, 1835-1844 (ff. 169-171), Henry Canning, Hamburg, 1835 (ff. 173-175 verso), Sir George Nicholls, 1835 (f. 177), John Rickman, 1835 (ff. 179-181), Sir Henry Taylor, 1835 (f. 183), Henry Bickersteth, Baron Langdale, 1836 (f. 185), Thomas Spring-Rice, Baron Monteagle of Brandon, 1836-1855 (ff. 187-194 verso), Sir Francis Bond Head, 1836-1841 (ff. 195-221 verso), Walter Coulson, 1836 (f. 222), John Russell, Earl Russell, 1836-1837 (ff. 224-226 verso), Robert Torrens, 1836 (f. 228), H. J. Boulton, 1836 (f. 230), George W. Wood, 1837 (f. 234), Samuel Jones Loyd, Baron Overstone, 1837 (ff. 236-239 verso), Charles Edward Poulett Thomson, Baron Sydenham, 1838 (f. 240), John Prince-Smith, 1838 (f. 242), James Endell Tyler, 1838 (f. 244), Edward Sterling, 1839 (f. 247), Edward Burtenshaw Sugden, Baron St Leonards, 1839-1853 (ff. 249-262 verso), T. C. Banfield, 1841-1855 (ff. 264-267), Henry Brougham, Baron Brougham and Vaux, 1841 (ff. 268-279 verso), George Hamilton Gordon, Earl of Aberdeen, 1842-1857 (ff. 280-288), Alexander Baring, Baron Ashburton, 1842 (f. 289), William Bingham Baring, Baron Ashburton, 1846-1855 (ff. 291-296 verso), Edward John Walhouse Littleton, Baron Hatherton, 1842 (f. 297), Henry John Temple, Viscount Palmerston, 1843 (f. 300), and Hugh Fortescue, Earl Fortescue, 1845-1859 (ff. 304-308 verso). Also included are a letter to Joseph Hume, 1834 (f. 146), and a ballad entitled 'Effects of the new poor law bill', 1838 (f. 246).

Miscellaneous transcripts, abstracts, and extracts relating to Montgomeryshire, including transcripts or abstracts of entries of baptisms, marriages, and burials, 1661-1761, of marriages, 1813-1837, and of baptisms, 1813-1897, from the registers of the parish of Llanmerewig; abstracts of deeds, 1576-1809, relating to property in Montgomeryshire [extracted from The National Library of Wales Calendar of Deeds and Documents, Vol. 1, The Coleman Deeds (Aberystwyth, 1921)], with additional genealogical notes relating to the parties or witnesses; a transcript of an indenture of mortgage, 20 July 1743, relating to property in the township of Llanryney, parish of Llangerick (also mentioned in this document are property in Ludlow, co. Salop, and a forge or iron mill called Strangworth forge or mill in the parishes of Pembridge and Staunton upon Arrow, co. Hereford); a copy of a letter from Herbert M[illingchamp] Vaughan, to Mr. [John Bancroft] Willans, 1921 (tracing the writer's descent from Richard Herbert of Dolforgan, parish of Kerry, late seventeenth century, enclosing a copy of a document relating to Dorothy, viscountess Lisburne (see next item)); a transcript of a document headed 'Household Accounts of a Welsh Peeress in the XVIIIth century', being an account of the personal and household expenditure in 1744, of Dorothy [dowager] viscountess Lisburne, widow of John Vaughan, 2nd viscount Lisburne, and daughter of Captain Richard Hill of Hemblas [sic], Llanwnog, Montgomeryshire; copious extracts from the English Encyclopaedia (1859); and shorter extracts from Spons Dictionary of Engineering [ed. Oliver Byrne (London, 1869-1874)], fournal of the Iron and Steel Institute, Walter [Hume] Long (viscount Long): Memories . . . [(London, 1923)], and the report of the Poor Law Commissioners, 1834. Included also in the volume are extracts from George Gilbert Ramsay: The Annals of Tacitus ... [An English translation ... (1904)], and Burke's Extinct Peerage (1831).

Seventeen holograph letters addressed to David Davies, Froodvale. The writers include Charles Bishop, Llandovery, [18]36-1839 (2) (a lease of Tyllwydhir, the recipient's tender for the tithe apportionment of Llandingat), W. R. Davies, Traws Mawr [in Newchurch], 1839 (a request for a valuation of the parish of Conwill [Elfed] for the purposes of a new road rate, the need for a regular electoral registration committee in the parish), Geo. Good, from Croft Cottage, near Carmarthen, 1839 (a request for a valuation of the parish of Nevern for the purposes of tithe apportionment), W[illiam] Howell, Pendine, 1839 (a meeting in connection with tithe apportionment), W. G. Hughes, Carmarthen, 1839 (requesting a valuation of timber on farms purchased by the writer), J. Jones, Brynbran [ Cynwil Gaeo?], 1836 (opinions on the Poor Law Amendment Bill), (endorsed is a draft letter [1836] to [Sir David Davies?], relating to the tithe commutation of Llanwrda, Cayo, Llansawell, and Talley, and to the management of the writer's properties), Morris Jones, Carmarthen, 1838 (Mydrim tithe meeting), E. C. Lord, Receiver General of Taxes, from Lampeter, 1830 (the payment of taxes for the parish of Dale) (endorsed is a draft letter [1836] to [Sir David Davies?] regarding an estimate for the erection of a building), [the Reverend] John Morgan, Talyrhyn [Cil-y-cwm], [18]44 (a request for an alteration in the writer's tithe apportionment), Lewis Morris, Carmarthen, 1839 (2) (requesting the recipient's services in resolving a dispute concerning the tithe apportionment of Nevern), Adam Murray, London, 1838 (the tithe commutation of Llanmihangle Rhosy Corn and Llanlonny), Catherine Price, Langarren, Ross, 1836 (requesting a valuation of timber at Abergwenlas and Troed-y-rh[i]w [in Cil-y-cwm]), A. Thomas, Carmarthen, [18]39 (Mydrim tithe meeting), D[avid] H[erbert] T[hackeray] Griffies Williams [perpetual curate of Llanfihangel Aberbythich], Llwynhelig, [18]44 (a request for the services of the writer on behalf of the tithe owners of the parish of Llanwenog), and Row[land] Williams, Llandovery, [18]39 (information towards a tender for the valuation of Llanfairary Bryn). Also included in the group are a copy of a letter from D[avid] Davies to Morris Sayce, Kington, 1836 (comments on the terms of a lease); an undated draft letter from [David Davies] to [Sir David Davies?] ( the writer's opposition to an advance in the tithes of Talley); a statement, 1841, from Charles Bishop, Llandovery, to David Davies of the amount due from the latter for his proportion of the expense of tithe commutation in the parish of Llandilofawr, together with a receipt, 1842, for the same; and undated particulars of the tithe commutation of David Davies in respect of Talyfan and Mount in Llandilo[-fawr].