Bazalgette and London's Sewage: Illustrated article describing the background to the construction of the London sewer system.
Joseph Bazalgette (1819 - 1891): Influential in improving the appearance of London and designer of the London sewer system. Biography from the B.B.C.
Sanitary Reform of London: The Working Collection of Sir Joseph Bazalgette: Introduction and biographical notes to this collection held at Stanford University.
The Crossness Pumping Station: Built by Joseph Bazalgette as part of Victorian London's urgently needed main sewerage system. History and restoration data.
Wikipedia: Joseph Bazalgette: Biography, works, related links and references.