DA 670 Y6 P4 : The regulations and establishment of the household of Henry Algernon Percy, the fifth earl of Northumberland, at his castles of Wressle and Leckonfield, in Yorkshire.; BJL
DA 670 Y6 R6 / q : Understanding the cropmark landscapes of the magnesian limestone : the archaeology of the magnesian limestone and its margins in South and West Yorkshire and parts of North Yorkshire and north Nottinghamshire / by Ian Roberts ; with Alison Deegan and David Berg.; BJL
DA 670 Y6 R99 / q : The Ryedale historian : a periodical publication by the Helmsley and District Group of the Yorkshire Archaeologial Society ...; BJL
1965-
1
DA 670 Y6 S4 / q : The North and East Ridings of Yorkshire at the opening of the twentieth century ...; BJL