There are articles on stress and the immune system in this
book:
Hans Selye Symposia on Neuroendocrinology and Stress. Vol.
3. Advances in Psychoneuroimmunology. (eds. Istvan Berczi
and Judith Szelenyi). Plenum Press, New York and London,
1994. ISBN 0-306-44883-1.
Jack Komisar