| Description | Also containing financial and membership return sheets of the British Steel Mill and Hammer-Mens Union for the Cwmavon, Duffryn, Gowerton, Landore, Melincrythan, Morga, Panteg, Pantymister, Pontardawe, Upper Forest, Birchgrove, Cwmfelin, Briton Ferry branches, Mar 1891-Oct 1891 |