Copy letter from Robert William Frederick Harrison, to Thomas Codington Fears the Royal Society also cannot help him in the matter of J Warburton's Map of Yorkshire, they only have a 'Survey of the Roman Antiquities on the Yorkshire Wolds' by Haynes, 1744. But that is probably not at all what you want. Hopes he succeeds in finding it in some other Library, perhaps the Bodleian or the Royal Geographical Society. 1 May 1902