Hokkaidou ni okeru houseishi

Hokkaidou ni okeru inemeichuu

Hokkaidou ni okeru mugon no gyouja

Hokkaidou ni okeru denpun seizougyou chousa

Touhoku oyobi hokkaidou ni okeru juuyou kouwan ni kansuru chousa

Touhoku oyobi hokkaidou ni okeru juuyou kouwan ni kansuru chousa

Hokkaidou ni okeru sengo kaitaku no genkyou to taisaku shian

Hokkaidou ni okeru ninjin ni kansuru chousa

Hokkaidou ni okeru kiryuu ni kansuru chousa

Hokkaidou ni okeru jochuugiku ni kansuru chousa

Hokuman ni okeru sosai saibaihou

Hokkaidou ni okeru mokuzou juutaku no ichi sotodannetsu kouhou no kenkyuu

Sengo ni okeru housei to keizai

Kaijou ni okeru eikoku

Saikin ni okeru hokuman tetsudou mondai

Nanbokuchou ni okeru shakai keizai seido

Ishinshi ni okeru aizu

Kaigai ni okeru shashin houdou ni kansuru chousa

Higashiindo ni okeru kaikyou housei : gaisetsu

Kokutei kyoukasho ni okeru housei keizai

Higashiindo ni okeru kaikyou housei : gaisetsu

Hokushi ni okeru bunkyou mondai

Hokuou ni okeru youkaki jigyou

Nihon ni okeru tousei keizai

Kakkoku ni okeru gikai seido