Japan. Tetsudōshō. Unʼyukyoku

• Cha, tabako, seishu, bīru, seiryō inryōsui ni kansuru chōsa
• Daizu, kome, zakkoku ni kansuru chōsa
• Enkangyo, kaisōrui ni kansuru chōsa
• Kamotsu yusō tetsuzuki
• Kassengyo, senniku ni kansuru chōsa
• Kō, kōseki, tetsu oyobi hagane, dō, tetsu oyobi hagane seihin, kikairui ni kansuru chōsa
• Kokuyū tetsudō kamotsu unʼyu gaikyō
• Kōnin unsō toriatsukainin kigōbo
• Kōwan to tetsudō to no kankei chōsho
• Match yushi rōrui oyobi sono seihin ni kansuru chōsa
• Mayu kiito kinuorimono ni kansuru chōsa
• Menshi menk asaorui ni kansuru chōsa