- [16 cent.]-[?1841] (Creation)
Level of description
Extent and medium
Name of creator
Immediate source of acquisition or transfer
Content and structure area
Scope and content
Manuscripts, [16 cent.]-[?1841], mostly collected or written by Iolo Morganwg. They include transcripts of Welsh poetry, pedigrees, grammars, and manuscripts belonging to Robert Vaughan of Hengwrt, Lewis Morris, Gwallter Mechain, Ieuan Brydydd Hir, Thomas Glyn Cothi, Richard Morris and others; literary papers of Iolo Morganwg, including hymns and psalm-tunes, English and Welsh poetry and Bardic papers; other papers including diaries, memorandum books and notebooks; and accounts of his father, Edward Williams, senior.
Appraisal, destruction and scheduling
System of arrangement
Arranged according to NLW MSS reference numbers: NLW MSS 21287-21386.
Conditions of access and use area
Conditions governing access
Conditions governing reproduction
Language of material
Script of material
Language and script notes
Welsh, English, Latin, some Greek.
Physical characteristics and technical requirements
The descriptions are also available in NLW, List of Manuscripts from the collection of Iolo Morganwg among the Family Papers presented by Mr. Iolo Aneurin Williams and Miss H. Ursula Williams, London, 1953-4 (1978)
Allied materials area
Existence and location of originals
Existence and location of copies
Related units of description
Title based on contents.
Formerly Iolo A. Williams MSS 1-95.
Six leaves of a Welsh heraldic text ('Disgrifiad Arfau') have been inserted in NLW MS 13165B, to which they belonged; a few leaves of English poetry by and in the hand of Iolo Morganwg have been inserted in NLW MS 13170B; some 50 leaves, containing cywyddau by various poets, have been inserted in NLW MS 834B.
Preferred citation: NLW MSS 21287-386.