Acknowledgements must be expressed to the following persons who have assisted in supplying photographs or other materials for the illustrations to this book: to the Rev. W. H. Frere, Mr. A. Riley, and the Committee of the Alcuin Club for permission to reproduce in plate 4 a page of a MS. Pontifical; to Dr. Amherst D. Tyssen and the Rev. Dr. Jessopp for blocks; to W. Watson, Esq., of York, and Miss Wilson of Idbury for photographs; to Messrs. Wills and Hepworth of Loughborough, Messrs. Mears and Stainbank, and Messrs. Taylor and Co. of Loughborough for blocks, negatives and photographs.