Toukyou shigai tetsudou mondai ni kansuru seigansho

Koubeshi juukan kouka tetsudou ni kansuru shomondai

Kouchiken eikosakuken ni kansuru seigansho souan

Toukyou shigai kouka tetsudou kenchiku gaiyou

Toukyou shinai shoutengai ni kansuru chousa

Jinkou mondai ni kansuru yoron

Shinseki tetsudou ni kansuru keiyakusho

Hokuetsu ni okeru tetsudou ni kansuru iken

Taiheiyoujou ni kansuru shougyou mondai

Nagasaki tetsudou fusetsu ni kansuru kibou

Tetsudou shuyou kamotsu ni kansuru chousa

Tetsudou mondai

Shinetsu tetsudou chuuousen ni kansuru iken

Shina tsuuka mondai ni kansuru kenkyuu

Taiwan ni okeru kosaku mondai ni kansuru shiryou

Taidoku baishou mondai ni kansuru koubunsho

Taidoku baishou mondai ni kansuru koubunsho

Manshuu mondai ni kansuru yoron 2 3

Sovieto renpou tetsudou ni kansuru chousa houkoku

Teikoku tetsudou tokubetsu kaikei ni kansuru kenkyuu

Tetsudou kamotsu tokubetsu chinritsu ni kansuru chousa

Teikoku tetsudou tokubetsu kaikei ni kansuru kenkyuu

Shigai tetsudou kouyuu no gi

Kashuu mondai ni kansuru nichibei koushou tenmatsu

Jinkou mondai ni kansuru housaku no sankouan