I should like to record my indebtedness and warm thanks for help and advice in various
forms to Professor C. N. L. Brooke, Professor P. Collinson, Professor A. G. Dickens,
Professor R. C. Latham, Dr. I. Roy, and Professor F. Wormald. I am also grateful to
the staffs of the various record offices, and in particular to Mr. A. R. B. Fuller and
Mr. J. Sumner, the staff of the Library of the Dean and Chapter of St. Paul's.