Cambrian Index Online
An English-language newspaper published from 1804 to 1930.
English and Welsh newspapers on the Internet
British Library Website.
Newsplan Cymru, mainly administered by the National Library of Wales.
Old Mersey Times
Liverpool and Merseyside's Life and Times, transcribed from old newspapers. So many Welsh people sailed into and out of Liverpool that I felt it should be added to this list.
Welsh newspapers online.
Welsh Journals Online
Maintained by the National Library of Wales.
Bangor University's newspaper holdings.
Western Telegraph - internet edition.