The Merthyr Mawr Mawr estate collection.
Great Britain.Royal Commission on Historical Manuscripts.
Great Britain.National Register of Archives.
[London?] : [Royal Commission on Historical Manuscripts : National Register of Archives],
[1972?]
Loose leaf note: "Please note that these documents are, as yet, not deposited in the Record Office but have been retained by the owners: Mr. & Mrs. M.A. McLaggan, Merthyr Mawr House, Nr. Bridgend, Glam".