walbrookriver.org

Wikipedia: River Effra

Anchor text: illustrations 1, 4 of the webpage of the Walbrook River page – a synopsis which cites the following books:<br />Nicholas Barton, The Lost Rivers of London (1962)<br />Anthony Clayton, Subterranean City (2000)<br />Michael Harrison, London Beneath the Pavement (1961)<br />Alfred Stanley Foord, Springs, Streams, and Spas of London. (1910)<br />J. G. White, History of The Ward of Walbrook. (1904)<br />Andrew Duncan, Secret London. (6th Edition, 2009)

Wikipedia: River Westbourne

Wikipedia: Counter's Creek

Wikipedia: River Tyburn

Wikipedia: River Walbrook

Wikipedia: Falconbrook