Japan. Kensetsushō. Kōhōka

• Chokkatsu kensetsu kōji no hanashi
• Kōkyō jigyō to Kensetsushō
• Komyuniti e no michi
• Sabō no hanashi
• Takuchi to tochi seido
• TVA
• 建設省要覽
• 第13國家通過建設省関係法律の解說