1962 Fulbright Graduate Student Program University of New Hampshire (PhD)
2017 Distinguished Lectureship at Yonsei University Yonsei University Law School
2017 Scholar Resesrch Program Ewha Woman's University
1970 Fulbright Graduate Student Program University of Florida (PhD)
2009 ETA Program
2007 ETA Program
2002 ETA Program
2000 ETA Program
1998 ETA Program
1996 ETA Program
