David Jones letters to Tom Burns
London Welsh Battalion: Committee minutes
Royal Welsh Fusiliers
First World War diary
Diary of a nurse
David Lloyd George notebook
Edward Thomas letters to O. M. Edwards
Barddoniaeth
Llythyrau o ryfel cartref yr America
Soldier's autobiography
Memoirs of Thomas Jones, Pencerrig
Diary, etc., of John Davies, Ystrad
Day book of Thomas Jones, Pencerrig
Llyfr Melyn Tyfrydog
Lewis Morris' De Historia Piscium
Llawysgrif Hendregadredd
Horae
The Merthyr Fragment
Llawysgrif Boston o Gyfreithiau Hywel Dda
Llyfr Aneirin