Prisoner of war camp magazines
Letters to Abraham Ortelius,
Llyfr Aneirin
Soldier's diary
Llawysgrifau'r Parchedig William Phillips (1861-1944), Gwalchmai, yn ymwneud â'i ymweliad i Wladfa Patagonia ym 1891
Barddoniaeth
Llyfr Melyn Tyfrydog
David Jones letters to Tom Burns
Diary of a nurse
Llawysgrif Hendregadredd
David Lloyd George notebook
Llythyrau o'r Rhyfel Mawr,
A notebook containing accounts relating to concerts held at Cwmystwyth Council School in aid of the soldiers' fund, and a ...,
An Anglesey Diary
Royal Welsh Fusiliers roll book,
An autograph book owned formerly by Eira D. Richards, containing the autographs of hospitalised soldiers and also noting their regiments ...,
Royal Welsh Fusiliers roll book,
Edward Thomas letters to O. M. Edwards
Horae
Day book of Thomas Jones, Pencerrig