Found in articles
linjoja. Multi-year station entry and exit figures (xls) Transport for London. Viitattu 27.7.2014. (englanniksi) Waterloo Underground Station Transport for
https://tfl.gov.uk/tube/stop/940GZZLUEMB/embankment-underground-station https://tfl.gov.uk/cdn/static/cms/documents/multi-year-station-entry-and-exit-figures
Historic England. Viitattu 7.11.2018. (englanniksi) Hill, Dave: Tomorrow's Tube: forward to the past at Piccadilly Circus The Guardian. 18.12.2013. Viitattu
Underground Station Transport for London. Viitattu 3.5.2023. (englanniksi) Charing Cross Google Maps. Viitattu 3.5.2023. (englanniksi) Tube map (PDF) Transport
Elephant & Castle Station Transport for London. Viitattu 31.12.2014. (englanniksi) Williams, Rachel: Woman gives birth at London tube station theguardian.com