Minutes of Ancient Monuments Board,
- I/4/ 23.
- Ffeil
- 1919, Oct. 24.
Dangos 252 canlyniad
Disgrifiad archifol- II.
- Is-fonds
- 1923-1954.
Review of B. Dew Roberts, Some trees stand (1945),
- II/1/ 2.
- Ffeil
- [c.1945].
Notebooks: Lecture notes delivered by Robert Richards to extra-mural classes at Llangynog,
- II/1/ 3.
- Ffeil
- 1926-1927.
- II/2/ 6.
- Ffeil
Robert Richards review of The Transactions of the ... Cymrodorion, 1946-7,
- II/2/ 19.
- Ffeil
- [c.1946].
Report: Second Annual Meeting of the Standing Conference for Local History,
- II/3/ 2.
- Ffeil
- 1950, Dec. 14.
Egon Freiherr v. Eickstedt article, 'Die Mediterranen in Wales'.
- II/3/ 11.
- Ffeil
Gwasanaeth, "Tri chan mlwyddiant a hanner Marwolaeth yr Esgob William Morgan",
- II/3/ 13.
- Ffeil
- 1954, May 25.
- II/3/ 18.
- Ffeil
- II/3/ 29.
- Ffeil
- II/3/ 31.
- Ffeil
Plans and sections of the mediaeval castles of north Montgomeryshire.
- II/3/ 34-36.
- Ffeil
- II/4/ 23-28.
- Ffeil
Folders containing typescript and manuscript copies and material.
- III/1.
- Cyfres
For further typescript copies of this work, see also NLW MSS 13706-13707.
- III/2/ 1-2.
- Ffeil
Letter and bibliography from W. Ll. Davies to Robert Richards,
- III/3/ 1.
- Ffeil
- 1941, June 18.
Letter from A. H. Williams to Robert Richards,
- III/3/ 2.
- Ffeil
- 1942, Nov. 30.
Letter and notes from Robert Richards to M. D. Knowles,
- III/3/ 3.
- Ffeil
- 1942, March 26.
Letters from Robert Richards to M. D. Knowles,
- III/3/ 6-8.
- Ffeil
- 1942, Nov.
Canlyniadau 201 i 220 o 252