1. The provision of public toilets. 12th report of session 2007–8;Communities and Local Government Committee,2008
2. Improving public access to better quality toilets;Department of Communities and Local Government (England),2008
3. Government response to the communities and Local Government Committee report on the provision of public toilets;Department of Communities and Local Government,2009
4. The big necessity: adventures in the world of human waste;George,2008
5. The Great Stink of London: Sir Joseph Bazalgette and the cleansing of the Victorian metropolis;Halliday,2001