http://www.oldroots.co.uk/inscriptions/

if you follow thi s down through Glamorgan and Llanharan you will find reference to Fred Tingle's burial in Llanharan.

http://www.welshcoalmines.co.uk/board/index.php is the message board I mentioned.

http://www.welshcoalmines.co.uk/ for background etc

http://www.archivesnetworkwales.info/ the Welsh Archives have information on teh Powell Duffryn company and its hospitals etc..

http://www.therhondda.co.uk/ some background on Rhondda coal mines ,and PD - "Poverty and Death" ....

http://www.scienceandsociety.co.uk/results.asp?txtkeys1=Powell+Duffryn+Colliery for a photo of a miner at teh coal face