Report

Joseph Rowntree Foundation Drug & alcohol research programme. May, Tiggey and Duffy, Martin and Warburton, Hamish and Hough, Mike (2007) Policing cannabis as a Class C drug: an arresting challenge? York: Joseph Rowntree Foundation.

May, Tiggey and Duffy, Martin and Hough, Mike and Few, Bradley (2006) Understanding drug selling in communities: insider or outsider trading? York: Joseph Rowntree Foundation.

Lloyd, Charlie and Papworth, Andrew and Page, Geoff and Bhardwa, Bina and May, Tiggey (2025) Unmet treatment need among heroin and crack users and dependent drinkers. Birkbeck, University of London, and University of York.

Book

Hough, Mike and Warburton, Hamish and Few, Bradley and May, Tiggey and Man, Lan-Ho and Witten, John and Turnbull, Paul J (2003) A growing market: the domestic cultivation of cannabis. JRF drug and alcohol research programme York: Joseph Rowntree Foundation .