Bibliothèque nationale, Grande-Bretagne: Drew, John (John M.L.) - http://www.bl.uk
(2002-10-07)
LCNA - http://authorities.loc.gov (2002-10-24)
The Dent uniform edition of Dickens' journalism. Vol. 4, The uncommercial traveller
and other papers : 1859-1870 / ed. by Michael Slater and John Drew, 2000