AditNow – Simon Lowe’s site – a discussion Forum, mine location database, photographic archive.
Cambrian Mines Trust – Roy Fellows site for the Cambrian Mines Trust, new owners of Cwmystwyth.
Coflein – Royal Commission for Ancient & Historic Monuments Database
Gathering The Jewels – Gathering the Jewels features over 30,000 images of objects, books, letters, aerial photographs and other items from museums, archives and libraries throughout Wales.
Internet Archive – American site with thousands of old books. Many of mining interest.
Llangynfelin – Nigel Calaghan’s site, about the history of the village. It has articles on the mines of the area.
Mining Remains – Ian Castledine’s site. Building remains throughout the UK.
Moore Books – Mike Moore’s Bookshop site, the best place to purchase new and secondhand mining books.
Northern Mines Research Society – The NMRS have published their British Mining series of books since 1975, these excellent publications are available via their website, with a discount for members. Some of the earlier out of print editions are available as pdf downloads.
Peoples Collection Wales – Has a very good map feature with various overlays; modern OS map, aerial photography, 1st, 2nd & 3rd Edition 6 inch OS maps.
PLWM – Ceredigion County Council’s site, dedicated to the PLWM project
Spirit of the Miners – Ceredigion County Council’s site, dedicated to the SotM project.
Welsh Journals Online – NLW site with many Welsh journals. This link is for Ceredigion, Journal of the Cardiganshire Antiquarian Society.
Where’s The Path – A very good mapping site, has split screen feature showing modern OS map and
aerial view side by side, whilst displaying OS Grid Reference.