- Alan Griffiths:
YSTRADGUNLAIS AND SWANSEA COLLIERY CO
- Alan Griffiths:
YSTRADGYNLAIS COLLIERY
- Alan Griffiths:
YSTRADGYNLAIS COLLIERY (?) & VIEW
- Alan Griffiths:
YNISCEDWYN COLLIERY c1901
- Alan Griffiths:
YNISCEDWYN COLLIERS c1901
- Alan Griffiths:
YNYSCEDWYN COLLIERY
- Alan Griffiths:
YNISCEDWYN COLLIERY
- Alan Griffiths:
YNYSCEDWYN COLLIERY
- Alan Griffiths:
YNYSCEDWIN COLLIERY
- Alan Griffiths:
YNYSCEDWYN COLLIERY BUILDINGS, 1968
- Alan Griffiths:
GURNOS AND DIAMOND COLLIERY
- Alan Griffiths:
DIAMOND COLLIERY, YSTRADGYNLAIS
- Alan Griffiths:
CWMLLYNFELL COLLIERY
- Alan Griffiths:
ABERCRAVE COLLIERY
- Alan Griffiths:
YNYSCEDWYN COLLIERY
- Alan Griffiths:
ABERCRAVE COLLIERY 1
- Alan Griffiths:
ABERCRAVE COLLIERY 2
- Alan Griffiths:
ABERCRAVE COLLIERY 3
- Alan Griffiths:
UPPER BRYNHENLLYS COLLIERY WATERWHEEL c1890
- Alan Griffiths:
ABERCRAVE COLLIERY TRAIN DERAILMENT
- Alan Griffiths:
ABERCRAVE COLLIERY TRAIN DERAILED