Yasuo Okuda

Kotoba no kenkyū, josetsu

Kotoba no kenkyū, josetsu

1985

Takayama Ukon no Hokusetsu Kir

Takayama Ukon no Hokusetsu Kirishitan iseki annai

1971

Kokugoka no kiso

Kokugoka no kiso

1970

Kokugo kyōiku no riron

Kokugo kyōiku no riron

1964

Moji Kyōiku

Moji Kyōiku

1957

Reikai yōji yōgo handobukku

Reikai yōji yōgo handobukku

1957

Tango Kyōiku

Tango Kyōiku

1957