Amrywiol ddeunydd a chaneuon 'Mynyddog'
Part of Emlyn Evans Manuscripts,
A book of press cuttings, portraits and miscellaneous notes connected with Welsh and English music from 1875 to 1900, with holograph songs by Richard Davies ('Mynyddog').
Amrywiol ddeunydd yn llaw 'Mynyddog'
Part of Emlyn Evans Manuscripts,
Miscellanea in the autograph of Richard Davies ('Mynyddog'), with correspondence and papers relating to his career, draft of poems and prose writings by 'Mynyddog', and fair copies of 'pryddestau' on 'Columbus', 1864, and in memory of 'David Jones, Ysw., Parcllwydiarth', 1859; 'Cân: Tywysog Cymru', 1860; certificate of election as member of Cymreigyddion y Fenni, 22 November 1850; an autograph letter by Edith Wynne [Sarah Edith Wynne Agabeg]; and press cuttings.