Humphreys, Matthew (2013) Consistency in European environmental protection - towards a general principle? The Columbia Journal of European Law, 19(2), pp. 313-340. ISSN (print) 1076-6715

Horspool, Margot and Humphreys, Matthew (2012) European Union law. 7th ed. Oxford, U.K. : Oxford University Press. 586p. (Core Text Series) ISBN 9780199639816

Horspool, Margot and Humphreys, Matthew (2010) European Union law. 6th ed. Oxford, U.K. : Oxford University Press. 619p. (Core Text Series) ISBN 9780199575343

Humphreys, M. and Williams, C. (2010) European Union law: doing business in Europe. In: Wright, Frank, (ed.) Doing business in Europe. London, U.K. : Thomson Reuters (Legal). pp. EUL 001-EUL 3902. ISBN 9780863251290

Humphreys, Matthew (2010) Sustainability in European transport policy. London, U.K. : Routledge. 256p. ISBN 9780415578318

Horspool, Margot and Humphreys, Matthew (2008) European Union law. 5th ed. Oxford : Oxford University Press. 606p. (Core Text Series) ISBN 9780199234196

Humphreys, Matthew (2007) Disproportionate and discriminating environmental protection: case 320/03 Commission v. Austria. Environmental Law Review, 9(2), pp. 137-147. ISSN (print) 1461-4529

Humphreys, Matthew (2006) Leaseholder charges and urban regeneration. Journal of Planning & Environment Law, 2006(Nov), pp. 1625-1642. ISSN (print) 0307-4870

Horspool, Margot and Humphreys, Matthew (2006) European Union law. 4th ed. Oxford, UK : Oxford University Press. 558p. (Core Text Series) ISBN 0199287635

Humphreys, Matthew (2004) Free movement and roadblocks: the right to protest in the single market, case C-112/00 Schmidberger Internationale Transporte and Planzüge v Austria. Environmental Law Review, 6(3), pp. 190-195. ISSN (online) 1740-5564

Humphreys, Matthew (2004) François Gény. In: Murray, Christopher John, (ed.) Encyclopedia of Modern French Thought. London : Routledge. ISBN 9781579583842

Humphreys, Matthew (2003) Congestion charging: R (Westminster City Council, Preece and Adamson) v Mayor of London. Environmental Law Review, 5(2), pp. 134-140. ISSN (online) 1740-5564

Humphreys, Matthew (2002) Charging for road use: tolls and environmental protection in the European Union. Journal of Business Law, 2002(Mar), pp. 195-209. ISSN (print) 0021-9460

Humphreys, Matthew (2002) Member states and infrastructure obligations. Journal of Environmental Law, 14(1), pp. 101-118. ISSN (print) 0952-8873

Humphreys, Matthew (2001) The polluter pays principle in transport policy. European Law Review, 26(5), pp. 451-467. ISSN (print) 0307-5400

Humphreys, Matthew (2001) A sustainability analysis of the Common Transport Policy. Environmental Law Review, 3(3), pp. 170-185. ISSN (print) 1461-4529