Brown, Roger Lee. A home and an income: aspects of the 19th century parish of Kidwelly. Carmarthenshire Antiquary 32 (1996), p. 66-70
Castle Street Museum (Kidwelly) Around Kidwelly, then and now. [Kidwelly]: Castle Street Museum,  46p: ill; 21cm.
Clark, G.T. A description and history of Kidwelly castle, Caermarthenshire, London,W.Pickering (1851) 32 p.
Evans, G., "Carmarthenshire Gleanings (Kidwelly)," Y Cymmrodor: The Magazine of the Honorable Society of Cymmrodorion, vol. 25, pp.92-125, 1915. [Has chapters on (i) Sanctuary Lands in Kidwelly, (ii) Survival of Medieval Customs in Kidwelly, and (iii) Llansaint, Ecclesia Omnium Sanctorum and Hawkin Church. In addition there are Appendices listing (A) Chief Rent Roll of Kidwelly, 1753, (B) Town Rent Roll (very late 18th century), (C) Mayors, Recorders, Chief Stewards, and Town Clerks of Kidwelly (1618-1914), together with a List of English Mariners who became Burgesses of Kidwelly in the Eighteenth Century.]
Hughes, W.E.V. Kidwelly, History, Legends and Folklore, Kidwelly, Eric Hughes (1999) 98 p. Here is an Index by Brian Randell.
Jones, D.D.. A History of Kidwelly, Carmarthen, W. Spurrell & Son, 1908. [Contains chapters on the commercial scene, and on local notables, as well as several on the early history of the town and the church.].[LDS GS 942.98/K1 H2j]
Kenyon, J.R. Kidwelly Castle, Cardiff, Cadw (1990) 40 p., ill., col. facsims., col. maps, plans (some col.); [ISBN: 0948329483 (pbk)]
Lloyd, Sir John E., (Ed.). A History of Carmarthenshire (2 vols.), Cardiff, London Carmarthenshire Society (1935, 1939). Extracts from this book can be accessed on some parish pages, see here for this parish.
Ludlow, N. D. The first Kidwelly tinplate works: an archaeological and technological history. Sir Gar (1991), p. 79-100
Morris, W.H. Walking The Boundary - Borough of Kidwelly, Carmarthenshire Antiquary, vol. 3, no. 1, (1959) pp.111-113. [An account of the occasion in 1863 when the mayor, alderman and burgesses walked the boundary - giving a list of those involved.]
Morris, W. H. Kidwelly tinplate works: a history. Kidwelly: Kidwelly Heritage Trust, 1987. 34p: ill(some col), plans, ports; 30cm.
Nicholl, L.D. The Normans in Glamorgan, Gower & Kidweli, Cardiff, William Lewis (printers) (1936) xvii, 207 p.
Radford, Courtenay Arthur Ralegh. Kidwelly castle, Carmarthenshire. London: H. M. Stationery off., 1933. 16 p: front., pl., fold. plans; 22 cm.
Williams, D. The Borough of Kidwelly in the 19th Century, Bulletin of the Board of Celtic Studies, vol. 17, no. 3, (1955) pp.199-207. [A fascinating account.]
W.H. Kidwelly and its Environs. In The Red Dragon, Vol. 7, pp.141-148, Cardiff, D. Owen and Co., (1885). [General account of the history of Kidwelly.]
Around Kidwelly, Then and Now, Kidwelly, Castle Street Museum (1989). [A 48-page popular booklet, with a number of interesting little articles about Kidwelly's history]