Datganoli yn Lloegr (2000-2015)
Great Britain. Government Office for London. Strategic planning in London: Greater London Authority Act 1999 : the Secretary of State for the Environment, Transport and the Regions' guidance on the arrangements for strategic planning in London. 2000.
Greater London Authority. Summary: towards the London plan: initial proposals for the Mayor's spatial development strategy. 2001.
Greater London Authority. The Mayor's transport strategy. 2001.
Stoyle, Mark. West Britons: Cornish identities and the early modern British state. 2002.
Jeffery, C. and A. Reilly. Devolution to the regions: what does it mean for local government in England? 2002.
Department for Transport, local government and the regions. Your region, your choice: revitalising the English regions. 2002.
Corry, Dan. London calling: reflections on four years of the GLA and solutions for the future. 2004.
Scruton, Roger. England and the need for nations. 2006.
UK Government. Devolution: A decade on. 2009.
Wellings, Ben. English nationalism and euroscepticism: losing the peace. 2012.
Jones, Richard Wyn; Guy Lodge; Ailsa Henderson; Daniel Wincott. The dog that finally barked: England as an emerging political community. 2012.
Mackay Commission. Report of the commission on the consequences of devolution for the House of Commons. 2013.
UK Government. Implications of devolution for England. 2014.
Devolution (London) Bill 2015-16.
IPPR (Institute for Public Policy Research):
IPPR. The English question: The view from Westminster. 2010.
IPPR North. The future of England: the local dimension. 2014.