Minken yougo idai no otakebi : gengo hitsuzetsu azen no maki

Shizen gengo shori ni okeru gengo dētabēsu no kouchiku to riyou ni kansuru kenkyuu

Shouken yougo no hata no moto ni : sanso no futou shinshutsu to chuushou shounin no kiki

Shizen gengo shori no tame no tougoteki imiteki chishiki ni kansuru kiso kenkyuu

Shizen gengo rikai no tame no imi bunmyaku shori ni kansuru kenkyuu

Shizen gengo shori ni okeru bunmyaku no riyou ni kansuru kenkyuu

Gengo henka no youin to shite no keni kouzou no henka : chiikigo to raifu sutairu no bunseki

Hiyu o chuushin to shita goyouron ni kansuru shizen gengo rikai moderu no kenkyuu

Yukisugitaru sangyou kumiai chuushou shougyou no hanei to shouken yougo : sangyou kumiai zeseiron

Shizen gengo seisei ni okeru sougo isonteki seiyaku no atsukai ni kansuru kenkyuu

Chishiki keisei to shizen gengo shori ni okeru bunmyaku no eikyou no ninchi kagakuteki kentou

ソ連の暴戻言語に絶す実力行使已なき事態 : 北樺太、北洋の我権益擁護

Yūza no futekikakuna taiwa koudou ni taishite robasutona shizen gengo taiwa shisutemu ni kansuru kenkyuu

四千の実連代表商権擁護を絶叫 : 産組過当保護の是正決議 : きのう東京で全国大会

Shizen gengo ni yoru dētabēsu toiawasebun no imi hyougen houhou to sono nihongo toiawase shisutemu e no ouyou ni kansuru kenkyuu