22件 （「明治時代」）
·1957-03-01 ·7 National Institute of Informatics
·1969-01-01 ·19 National Institute of Informatics
·1962-10-01 ·13 National Institute of Informatics
·1958-12-01 ·9 National Institute of Informatics
·1957-12-01 ·8 National Institute of Informatics
·1960-02-01 ·10 National Institute of Informatics
·1961-10-01 ·12 National Institute of Informatics
·1960-10-01 ·11 National Institute of Informatics
·1963-10-01 ·14 National Institute of Informatics
·1970-01-01 ·20 National Institute of Informatics
·1967-11-01 ·18 National Institute of Informatics
·1970-09-01 ·21 National Institute of Informatics
·1966-11-01 ·17 National Institute of Informatics
·1965-11-01 ·16 National Institute of Informatics
·1972-08-01 ·23 National Institute of Informatics
·1965-01-01 ·15 National Institute of Informatics
·1973-08-01 ·24 National Institute of Informatics
·1974-08-01 ·25 National Institute of Informatics
·1984-10-01 ·35 National Institute of Informatics
·1985-11-01 ·36 National Institute of Informatics
·1987-11-01 ·38 National Institute of Informatics