1. The Dominant Party System: A Neglected Model of Democratic Stability
2. Asahi Shinbun. 2010. ‘“Kan・Kan” Itten Yūwa e’. Asahi Shinbun 10 June, morning edition.
3. ____. 2011. ‘Minshu Zaigen-an Gohasan’. Asahi Shinbun 13 January, morning edition.
4. ____. 2012. ‘Minshutō Seiken Shippai no Honshitsu 1: Yosan mo Jinji mo Kekkyoku, Zaimushō’. Asahi Shinbun 5 April, morning edition.
5. Asahi Shinbun Seiken Shuzai Sentā (Asahi Shinbun Center for Government News Coverage) . 2010. Minshutō Seiken 100-nichi no Shinsō (The Real Story of the DPJ’s First 100 Days). Tokyo: Asahi Shinbun Shuppan.