New Rainbow Dictionary

Japanese Proverb Dictionary written by Gakken Dictionary Editorial department, published by Gakken Plus.

Japanese Yojijukugo Dictionary written by Gakken Dictionary Editorial department, published by Gakken Plus.

Japanese Idiom Dictionary written by Gakken Dictionary Editorial department, published by Gakken Plus.

Japanese Proverb Dictionary written by Gakushu Kenkyusha, published by Gakken Plus.