The Diary of Samuel Pepys
- The diaries of the 17th century businessman, presented in a weblog format.
- http://www.pepysdiary.com/

Middlesex Past
- The Victoria County History of Middlesex and the City of London explains its work: volumes already published and in progress, including online text.
- http://www.middlesexpast.net/

London-RIP
- Nostalgia regarding lost landmarks such as particular cinemas, record shops and bus routes.
- http://www.london-rip.com

Crace Collection of Maps of London
- Guide to the development of the capital from the 16th to the 19th centuries, brought together by the Victorian designer, Frederick Crace. Held at British Library.
- http://www.collectbritain.co.uk/collections/crace/

Old Stepney
- People, places and events in the area for family historians.
- http://website.lineone.net/~fight/Stepney/

PortCities London
- Online digitised collection resource of over 5000 items, brought to you by the National Maritime Museum, and local London libraries and archives.
- http://www.portcities.org.uk/london

Imperial London
- The complete text of 'Imperial London', by Arthur Henry Beavan, published in 1901, now in the public domain. The history of London from pre-Roman times to 1900.
- http://www.imperial-london.me.uk

London Socialist Historians Group
- Organises conferences and publishes a newsletter three times a year. Activities, seminars, conferences, newsletter, bibliography and message board.
- http://www.londonsocialisthistorians.org/

London Docklands Development Corporation History
- History of the regeneration work by the LDDC across the London Docklands area from 1981 to 1998. Includes monographs, booklets and press releases.
- http://www.lddc-history.org.uk

Blue Plaque
- Searchable database of plaques commemorating famous people and places in London.
- http://www.blueplaque.com/

Charles Booth Online Archive
- Searchable archive including Booth's survey into life and labour in London, dating from 1886-1903, and Booth family papers from 1799 to 1967.
- http://booth.lse.ac.uk/

Monuments and Dust: The Culture of Victorian London
- Visual, textual, and statistical representation of Victorian London, assembled by an international group of scholars.
- http://www.iath.virginia.edu/mhc/

The Victorian London Dictionary
- Primary sources on the social history of Victorian London.
- http://www.victorianlondon.org/

True History of Crouch End
- Covers the history of this neighbourhood of North London from the Middle Ages to the 1811 earthquake.
- http://www.oldcrouchend.com/

The Story of London
- All aspects of the history of London from its foundation to the 20th century featuring articles on the people, places and events that have made London what it is.
- http://www.storyoflondon.com/