Upledger, J. E. & Vredevoogd, J. D. Craniosacral Therapy, Seattle: Eastland 1983   

Upledger, J. E. Craniosacral Therapy II: Beyond the Dura, Seattle: Eastland 1986   Excellent basic texts

Upledger, John E, CranioSacral Therapy part II: as it is today, Subtle Energies 1995a, 6(2), 135-166.

Upledger, John E, CranioSacral Therapy part III: in the future, Subtle Energies 1995b, 6(3), 201-216.
Excellent presentations, with explanations from mechanistic to healing levels of conceptualization