Core FEH statistical methods:
 Robson, A. and Reed, D., 1999. Statistical procedures for flood frequency estimation, Flood Estimation Handbook Volume 3, Centre for Ecology and Hydrology, Wallingford, UK, pp338.
 Wallingford HydroSolutions (2016), WINFAP 4 QMED Linking equation, Wallingford HydroSolutions Ltd 2016.
 Wallingford HydroSolutions (2016), WINFAP 4 Urban adjustment procedures, Wallingford HydroSolutions Ltd 2016.
 Thomas R. Kjeldsen, David A. Jones and Adrian C. Bayliss (2008), Improving the FEH statistical procedures for flood frequency estimation, Joint Defra / Environment Agency Flood and Coastal Erosion Risk Management R&D Programme, Science Report: SC050050.
 Environment Agency Technical Guidance, Using local data to reduce uncertainty in flood frequency estimation, Project number: SC130009.
 Kjeldsen, T. R., D. A. Jones, and D. G. Morris (2014), Using multiple donor sites for enhanced flood estimation in ungauged catchments, Water Resour. Res., 50, 6646–6657, doi:10.1002/ 2013WR015203.
 Kjeldsen, T. R., and D. A. Jones (2010), Predicting the index flood in ungauged UK catchments: On the link between data-transfer and spatial model error, J. Hydrol., 387, 1–9.
 Bayliss, A.C., Black, K.B., Fava-Verde, A. and Kjeldsen, T.R., 2006. URBEXT2000 – a new FEH catchment descriptor. R&D Technical Report FD1919/TR, Department of Food, Agriculture and Rural Affairs (DEFRA), London.
 Kjeldsen, T.K., 2010. Modelling the impact of urbanization on flood frequency relationships in the UK. Hydrology Research, volume 41, issue 5, pp391-405.
 Institute of Hydrology Report No. 126, 1995. Hydrology of soil types: a hydrologically based classification of the soils of the United Kingdom.
 Houghton-Carr, H. (1999) Restatement and application of the Flood Studies Report rainfall-runoff method. Flood Estimation Handbook, Vol. 4, Institute of Hydrology, Wallingford, UK.
 WHS, 2016. Revitalised Flood Hydrograph Model ReFH2: Technical Guidance, pp 67.