Would a Victoria line extension into South London along with the Bakerloo line be beneficial? : r/LondonUnderground

Siemens Mobility secures major order to manufacture a new generation of Tube trains in London, Press, Company

Night Tube Map Featuring 24-Hour Lines Released By London Underground

Why the London Underground doesn't stop in south east London or get anywhere near Kent - Kent Live

Better Connected South London : r/LondonUnderground

A definitive ranking of London's Underground lines, by a self-proclaimed tube nerd

Victoria Line The Anonymous Widower

The Bakerloo Line Is Extending Further Into South London : r/transit

Tube History: A Brief History of the Victoria Line - Londontopia

Tube trivia and facts - Made by TfL blog

A definitive ranking of London's Underground lines, by a self-proclaimed tube nerd

A full list of all the locations of future proposed London Underground stations - MyLondon

The History of the Bakerloo Line

The London Underground / Useful Notes - TV Tropes

The Bakerloo Line Extension: Is It Actually Happening Anymore?

HERE - London Underground Railway Society