(en) Michelle Cottam, Maybe It's Because I'm a Londoner, Londres, Austin Macauley Publishers, , 146p. (lire en ligne), p.23 (sur la tornade de Cheapside, 1091).
(en) Mark Burch, Phil Treveil et Derek Keene, The development of Early Medieval and Later Poultry and Cheapside: excavations at 1 Poultry and vicinity, City of London, London, Museum of London Archaeology Publications, coll.«série Monographies» (no38), , 365p. (ISBN978-1-901992-95-3, présentation en ligne).