Amerika oyobi amerikajin no kenkyuu

Amerika kokuminsei no kenkyuu

Tetsu oyobi hagane no kenkyuu

Tetsu oyobi hagane no kenkyuu

Tetsu oyobi hagane no kenkyuu

Tetsu oyobi hagane no kenkyuu

Tetsu oyobi hagane no kenkyuu : 6kou

Kokuhou oyobi kokuhoushi no kenkyuu

Shinteki sagyou oyobi hirou no kenkyuu

Gonin no amerikajin

Sei oyobi seiyoku no kenkyuu

Shinajin oyobi shina shakai no kenkyuu

Shinajin oyobi shina shakai no kenkyuu

Kougu oyobi kyougu no kenkyuu

Ninshin oyobi hinin no kenkyuu

Kougu oyobi kyougu no kenkyuu

Shokumotsu oyobi ryouri no kenkyuu

Kyouka oyobi rito no kenkyuu

Amerika ni okeru tochi saisei keikaku no kenkyuu

Amerika futou roudou koui shinsa seido no kenkyuu

Amerika kindai no daigaku kuukan ni kansuru kenkyuu

Shigaku oyobi touyoushi no kenkyuu

Bukkyou oyobi bukkyoushi no kenkyuu

Koi oyobi sei no shinkenkyuu

Kwōtāfeniru oyobi tetorazōru yuudoutai no souteni oyobi bussei ni kansuru kenkyuu