A short account of the British encampments lying between the rivers Rheidol & Llyfnant, in the County of Cardigan, and their connection with the mines. Read before the meeting of the Cambrian Archaeological Society at Machynlleth, August 27, 1866. [With a map.]
Williams, J. G., of Glo'ster Hall, near Aberystwyth.
Aberystwyth, 
1866.