Severe learning disabilities and challenging behaviours, 1993: t.p. (Eric Emerson, MSc, FBPsS, C.Psychol; deputy dir., Hester Adrian Research Centre, Univ. of Manchester, UK)

Challenging behaviour, 2001: CIP t.p. (Eric Emerson, Institute for Health Research, Lancaster Univ.) data sheet (b. May 31, 1953)

Emerson, E. Health inequalities and people with intellectual disabilities, 2014.