Here is a list of some of the major works in this field:
Argyle, Michael. Bodily Communication. 2nd edition, Internation
Universities Press, Inc. Madison, CT, 1988
Birdwhistell, Ray. Introduction to Kinesics, 1952.
Ekman, P. and W. V. Friesen, "The Repertoire of Nonverbal Behavior:
Categories, Origins, Usage and Coding," Semiotica 1 (1969):
49-98.
Hall, Edward T.</b>, The Silent Language, Doubleday, 1959.
Knapp, Mark L., & Judith A.Hall, Nonverbal communication in human
interaction, 4th ed., Fort Worth, TX: Harcourt Brace. 1996
Rosenthal, Robert, Archer, D., DiMatteo, M.R., Koivumaki, J.H., and
Rogers, P.L. Nonverbal Behavior: Applications and Cultural Implications.
Edited by Aaron Wolfgang. NY: Academic Press, 1979.
A more complete bibliography is available at http://face-to-face.org/