Shizenkai ni okeru ryousei no himitsu : ichimei jinrui seibetsugaku

Shizenkai ni okeru ningen no ichi

Sekai ni okeru shizen no kikan

Jitsuyou zouka jizai : ichimei zoukajutsu himitsu no kagi

Jitsuyou zouka jizai : ichimei zoukajutsu himitsu no kagi

Jitsuyou zouka jizai : ichimei zoukajutsu himitsu no kagi

Jitsuyou zouka jizai : ichimei zoukajutsu himitsu no kagi

Jitsuyou zouka jizai : ichimei zoukajutsu himitsu no kagi

Jitsuyou zouka jizai : ichimei zoukajutsu himitsu no kagi

Shizen ni okeru taika

Shizen ni okeru doubutsu no seikatsu

Eito sensou ni okeru gunjijou no kansatsu : ichimei nana sensou ni okeru eito ryougun no shinsou

Tentei sonsei reifu himitsu shuuden : ichimei kuni no takara

Kabushiki kimai jitsuyou keisengaku : ichimei souba senken no himitsu

Sekai ni okeru nihon kokuminsei no honryou

Senji ni okeru cha no juuyousei

Senji ni okeru shousen no jiei

Shina ni okeru sokai no kenkyuu

Sekai ni okeru nihon no shourai

Shina ni okeru sokai no kenkyuu

Sekai ni okeru taiwan no ichi

Sekai ni okeru taiwan no ichi

Shinkyouiku ni okeru bukkyou no tekiousei

Kindai ni okeru kagakuteki shisou no hensen : ichimei shin kagaku no fukuin

Katei ni okeru jissaiteki kango no hiketsu