Toukyouto ni okeru chuushou kasen hanran

Toukyouto ni okeru daikasen kouzui no suigai souteizu sakusei ni kansuru chousa

Toukyouto ni okeru takashio suigai souteizu no sakusei ni kansuru chousa

Toukyouto kasen jouhou shisutemu

Hokubei gasshuukoku ni okeru hanran shinshoku to sono boushi taisaku

Toukyou ni okeru takashio oyobi daikasen kouzui no suigai soutei ni kansuru chousa houkokusho

Shouwa gojuurokunen shichigatsu nijuuninichi no toukyouto ni okeru daiugai to raigai

Toukyouto ni okeru shigaichi saikaihatsu jigyou no gaikyou

Toukyoushi ni okeru chuushou shougyou kinyuu jitchi chousa

Chousen ni okeru chuushou kougyou seisanhin ni kansuru chousa

Kyoutoshi ni okeru shoutengai ni kansuru chousa

Toukyouto chuukan jinkou chousa

Toukyouto chuukan jinkou chousa

Toukyouto ni okeru kyouin oyobi chuutou gakusei shisou chousa gaikyou : shouwa juuhachinen shichigatsu shikkou

Toukyou no toubu teichitai ni okeru kasen no bousai taisaku ni tsuiteno toushin

Kyoukongou kasen kanchoubu ni okeru busshitsu yusou to suishitsu henkan ni kansuru kenkyuu

Taiwan ni okeru keshi byougai chousa

Toukyouto no juutaku mondai ni kansuru chousa houkoku

Takashio no hanran kaisekihou to sono toshiiki e no ouyou ni kansuru kenkyuu

Kyoutoshi ni okeru furyou juutaku chiku ni kansuru chousa

Toshi ni okeru suimen ryokuchi no shonetsu kanwa ni kansuru chousa kenkyuu

Kasen tou no mizu kuukan ni okeru mizu no yutakasa kiyorakasa ni kansuru keikan kougakuteki kenkyuu

Toshokan ni okeru dokusho keikou chousa

Toshi kasen ni okeru kankyou no shuufuku to keisou gunshuu kouzou no henka ni kansuru kenkyuu

Toukyoushi ni okeru naishoku ni kansuru chousa