The Testimony Patience Kershaw, about a 17yr old girl working in a mine in Halifax in 1842. There are threads discussing this with words etc, but when I tried to create a blue link it did not work sorry, but just search yourself and you should find it easy enough.

Coal not Dole - written by Kay Sutcliffe, a miners wife from Kent

The link didnt work for this either sorry, but its in the threads if you just search.