The editor wishes to thank Dr. Caroline M. Barron, Dr. Carole
Rawcliffe and Dr. Elspeth M. Veale; colleagues and friends at the
British Library and staff of the Public Record Office, Chancery Lane,
the Corporation of London Records Office and the Guildhall Library
for their help and advice; also Mrs. Dorothy Hartnell Beavis for her
The volume is published with the help of a grant from the late Miss
Isobel Thornley's Bequest to the University of London.