Part of Cwrtmawr manuscripts
Thirty-two letters and one postcard, 1869-90, to D. Silvan Evans from Howel W[illiam] Lloyd (1816-93), Upper Chelsea and Kensington ('Y Marchog Crwydrad', mention of 'Llyfr Ceniarth', a manuscript containing poems by Huw Arwystli [sic], etc., bibliographical matters, his efforts to collect the poems of Guto'r Glyn, the addressee's dictionary).
Part of Cwrtmawr manuscripts
Twelve letters (two damaged), with enclosures and part of another letter, 1869-84, to D. Silvan Evans from Edw[ar]d Hamer, Talywaun and Abersychan (Pontypool) and Llanidloes (the writer's wish to have perfect copies of two poems by Huw Arwystli [sic], the 'Llyfryddiaeth' [i.e. Llyfryddiaeth y Cymry], names of rivers in Montgomeryshire, etc., reference to the Mold Eisteddfod [1873] initiating the movement for the establishment of a National Library).