Principal mountain-walking routes [in the Black Mountains and Brecon Beacons] / 
Contour Designs.
Gloucester :  Contour Designs, 
c1998.
Aerial views from the south, drawn by K. & S. Gage.
Contents: W.R. 9: Black Mountains, west -- 10: Black Mountains, east -- 11: Brecon Beacons group -- 12: Black Mountains, Abergavenny goup.