Tothill Fields Prison, or Tothill Fields Bridewell, was a prison in the City of Westminster (London, England) from 1618 to 1884. The prison was expanded and relocated to Victoria Street and Vauxhall Bridge Road in 1834.

In London Labour and the London Poor edition: 

Phase 1

St Thomas Street is a street in Southwark (London, England).

In London Labour and the London Poor:

OF THE WOMEN STREET-SELLERS. (Volume 1)

Likely a reference to the district of Tooting in the modern borough of Wandsworth (London, England).

In London Labour and the London Poor edition: 

Phase 1

The Saracen's Head was an inn in Snow Hill, in the City of London (London, England). It dated from the Middle Ages and was demolished in 1868.

In London Labour and the London Poor:

Of the Trades and Localities of the Street-Jews. (Volume 2)

Nelson's Column is a monument in Trafalgar Square in the City of Westminster (London, England). It commemorates Horatio Nelson's victory at the Battle of Trafalgar in 1805.

In London Labour and the London Poor:

Gun-Exercise Exhibitor—One-legged Italian. (Volume 3)