References to 'Hirwaun' at the National
Library of Wales, Aberystwyth
Records, including letter-books and accounts, relating
to the industrial
concerns of the Crawshay family of Cyfarthfa, co. Glamorgan,
especially to the
iron works at Cyfarthfa, Hirwaun and Forest, from 1813,
with a few earlier
documents. Schedule [1958], 988pp. in two vols. AR 1935-36,
p.48; 1939-40,
p.33; 1952-53, pp.22-3; 1972-73, p.67. NLWJ, 1 (1939-40),
p.146. Partly
uncatalogued (1994).
Documents collected by Col. Sir John Conway Lloyd of
Dinas, Brecon
(1878-1954), mainly relating to cos Brecon, Glamorgan and
Monmouth, 1588-1864;
include records relating to industry, notably the Clydach,
Hirwaun and Beaufort
ironworks and the Bute and Dowlais iron companies; also
Lloyd family papers.
Schedule (1968, vol. I, records of industrial interest),
52pp. The remainder,
the greater part, uncatalogued (1994). AR 1937-38, pp.68-9.