J. Ralph Lindgren (EDT)/ Jay Knaak (EDT)/ Roberta Kevelson (INT)
(1)
Mass.) Round Table on Law and Semiotics 1996 (Amherst/ Roberta Kevelson (EDT)/ John Brigham (EDT)/ John Brigham
(1)
Round Table on Law and Semiotics 1997 Case Western Reserve university/ Roberta Kevelson (EDT)/ Joel Levin (EDT)/ Joel Levin
(1)