Pilgrim H. (2000) Cognitive Aspects of PTSD. Manchester University PhD Thesis

Pilgrim H. (1996) Re-experiencing and Avoidance. Behavioural Cognitive Bulletin of the Psychotherapy Section of the Royal College of Psychiatrists

Pilgrim H. (1992) Personality Change after Head Injury: Do Relatives Agree. Manchester University MSc Thesis

Pilgrim H. (2003) Cognitive Perspectives on Early Reactions to Traumatic Events. In Orner R. & Schnyder U. (Eds) Reconstructing Early Intervention After Trauma: Innovations in the Care of Survivors,. Oxford University Press.

Tarrier N., Sommerfield C., Pilgrim H. & Farragher B. (2000) Factors Associated with Outcome of Cognitive Behavioural Treatment of Chronic Post-traumatic Stress Disorder. Behaviour Research and Therapy, 38, 191-202

Tarrier N., Pilgrim H., Sommerfield C., Farragher B., Reynolds M., Graham E. & Barrowclough C. (1999) A Randomised Trial of Cognitive Therapy and Imaginal Exposure in the Treatment of Chronic Posttraumatic Stress Disorder. Journal of Consulting and Clinical Psychology, 67, (1), 13-18

Tarrier N., Sommerfield C. & Pilgrim H. (1999) Relatives Expressed Emotion (EE) and PTSD Treatment Outcome. Psychological Medicine, 29

Tarrier N., Sommerfield C., Pilgrim H. & Humphreys L. (1999) Cognitive Therapy or Imaginal Exposure in the Treatment of PTSD - 12 Month Follow-up. British Journal of Psychiatry, 175, 571-575