Federico Mandelli
Encontro Estadual de Secretários Municipais de Educação (1st 1978 Porto Alegre, Brazil)
Methodius of Olympus, Saint
Helen Korowytsky
Donald Newton Wilber
Kim, Hyŏng-sŏk
Asahi International Symposium "What Can Japan Contribute to the World?" (1979 Tokyo, Japan)
Hongjun Duan
Helmut Castritius
Charles E. Ronan
Lin, Mengzhen.
Umehara, Takeshi
Kölcsey, Ferenc