Lock’s Fields was a swamp in the area of Walworth Road in the modern borough of Southwark (London, England). The area was developed in the nineteenth century.

In London Labour and the London Poor edition: 

Phase 1

No. 6, To Correspondents: "A.B.C., LOCK'S-FIELDS, is requested to send his name and address (of course in confidence)."

Phase 2

Character of Cabdrivers. (Volume 3)