"Kita no Kotodama", Spirit of Word in Northern Region
Hokkaido Education for Auditory Impairment Society 1992
欧米の特殊教育(海外特殊教育視察報告)
文部省海外派遣第17団 1986
Special Education in Europe and the U. S. A. (observation Report of Overseas Education)
The 17th Delegation to Overseas of the Ministry of Education 1986