Prehistoric rock art of the West Riding : cup-and-ring-marked rocks of the valleys of the Aire, Wharfe, Washburn and Nidd /
Boughey, K. J. S.
Vickerman, E. A.
West Yorkshire Archaeology Service.
West Yorkshire Joint Services.
English Heritage.
Leeds : West Yorkshire Archaeological Service on behalf of West Yorkshire Joint Services,
c2003.
Includes bibliographical references and index.
Petroglyphs