Beds.R.O.: Bedfordshire Record Office .
Berks.R.O.: Berkshire Record Office.
C.L.R.O.: City of London Record Office.
D.N.B.: Dictionary of National Biography.
Econ.Hist.Rev.: Economic History Review.
Gloucs.R.O.: Gloucestershire Record Office.
H.O.: Home Office Papers. Public Record Office.
J.H.C.: Journal of the House of Commons.
Lancs.R.O.: Lancashire Record Office.
Mepol: Metropolitan Police Commission Records, Public Record Office.
Msex. R.O.: Middlesex Record Office.
O.E.D.: Oxford English Dictionary.
Oxon. R.O.: Oxfordshire Record Office.
P/COM: Prison Commission Files, Public Record Office.
P.P.: Parliamentary Papers.
P.R.O.: Public Record Office.
Proceedings: Old Bailey Sessions Papers, Guildhall Library, City of London; Law School, Harvard University.
S.P.: State Papers Domestic, Public Record Office.
Staffs.R.O.: Staffordshire Record Office.
W. Sussex R.O.: West Sussex Record Office.