See COVE Master Map entry:

https://editions.covecollective.org/place/hyde-park

In London Labour and the London Poor edition: 

Phase 1

Possible reference to Marylebone. See COVE Master Map entry on Marylebone: 

https://editions.covecollective.org/place/marylebone

In London Labour and the London Poor edition: 

Phase 1

See the COVE Master Map entry on Hammersmith: 

https://editions.covecollective.org/place/hammersmith

In London Labour and the London Poor:

Bone-Grubbers and Rag-Gatherers. (Volume 2)

Hertfordshire is a county in southern England.

In London Labour and the London Poor:

Experience of a Running Patterer. (Volume 1)

Henley-on-Thames is a town in Oxfordshire, England.

In London Labour and the London Poor edition: 

Phase 1

Hendon is an urban area in the Borough of Barnet in north-west London.

In London Labour and the London Poor:

Meeting of Thieves. (Volume 1)

See COVE Master Map entry on Haymarket: 

https://editions.covecollective.org/place/haymarket

In London Labour and the London Poor edition: 

Phase 1

Le Havre is a French city in the Normandy region of France.

In London Labour and the London Poor:

Bone-Grubbers and Rag-Gatherers. (Volume 2)

Hatton Garden is a street in Holborn, in the modern borough of Camden (London, England). It was named after Sir Christopher Hatton (1540-1591), a favourite of Queen Elizabeth I who had a mansion in the area. Today, it is known as London's jewellery quarter, a reputation which began in the 19th century.

In London Labour and the London Poor edition: 

Phase 1

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

In London Labour and the London Poor: 

The Fantoccini Man. (Volume 3)