S-matrix theory of strong interactions;: A lecture note and reprint volume (Frontiers in physics; a lecture note and reprint series) by Geoffrey F Chew.
The Analytic S Matrix: A Basis For Nuclear Democracy by Geoffrey F. Chew (Unknown Binding - 1966)
Dispersion relation dynamics: A phenomenological introduction to S-matrix theory by Hugh Burkhardt
There are many others listed at Amazon.com, but these are the most direct.