See COVE Master Map entry: https://editions.covecollective.org/place/middlesex

In London Labour and the London Poor edition: 

Phase 1

Messina is a city on the island of Sicily, Italy.

In London Labour and the London Poor:

Of the Street-Buyers of Rags, Broken Metal, Bottles, Glass, and Bones. (Volume 2)

Maunsel Street is a street in Pimlico, City of Westminster (London, England).

In London Labour and the London Poor:

Of the Trades and Localities of the Street-Jews. (Volume 2) [as Maunsell-street]

Marylebone Lane is a street in Marylebone in the City of Westminster (London, England).

In London Labour and the London Poor:

Of the Old Clothes Exchange. (Volume 2)

See COVE Master Map entry: https://editions.covecollective.org/place/marylebone

In London Labour and the London Poor:

Of the Children Street-Sellers of London. (Volume 1)

Of Prostitution in London (Volume 4)

Of the Blind Street-sellers of Tailors’ Needles, etc. (Volume 1)

Of Groundsel and Chickweed Sellers. (Volume 1) [as "Marrabun"]

St Mary Axe was a medieval parish in the City of London. There is now a street on the site called St Mary Axe.

In London Labour and the London Poor:

Of the Street-Sellers of Rhubarb and Spice. (Volume 1) 

Marsh Gate was a turnpike at the junction of Lower Marsh street and Westminster Bridge Road, in Lambeth (London, England).

In London Labour and the London Poor:

Of the Number of Street Stalls. (Volume 1)

See COVE Master Map entry: https://editions.covecollective.org/place/margate

In London Labour and the London Poor:

Meeting of Thieves. (Volume 1)

Exhibitor of Birds and Mice. (Volume 3)

Mansion House is the official residence of the Lord Mayor of London. It is located in the City of London and was built between 1739-1752.

In London Labour and the London Poor:

Of the Life of a Flower-Girl (Volume 1)

See COVE Master Map entry: https://editions.covecollective.org/place/manchester-0

In London Labour and the London Poor:

Of the Dress of the Costermongers. (Volume 1) 

Of the Cheap Johns, or Street Hansellers. (Volume 1) 

Of the Children Street-Sellers of London. (Volume 1)

Of the “Pure”-Finders. (Volume 2)

The Railways. (Volume 3)