Yamaguchi, p. 30. Yamaguchi, Yasushi (January 2010). "歴史 を語る建物たち" [Buildings Tell of History] (PDF). Future Sight (in Japanese). pp. 30–31. Archived(PDF) from the original on 18 July 2014. Retrieved 15 July 2014.
Yamaguchi, p. 31. Yamaguchi, Yasushi (January 2010). "歴史 を語る建物たち" [Buildings Tell of History] (PDF). Future Sight (in Japanese). pp. 30–31. Archived(PDF) from the original on 18 July 2014. Retrieved 15 July 2014.
Yamaguchi, pp. 30–31. Yamaguchi, Yasushi (January 2010). "歴史 を語る建物たち" [Buildings Tell of History] (PDF). Future Sight (in Japanese). pp. 30–31. Archived(PDF) from the original on 18 July 2014. Retrieved 15 July 2014.
Yamaguchi, p. 30. Yamaguchi, Yasushi (January 2010). "歴史 を語る建物たち" [Buildings Tell of History] (PDF). Future Sight (in Japanese). pp. 30–31. Archived(PDF) from the original on 18 July 2014. Retrieved 15 July 2014.
Yamaguchi, p. 31. Yamaguchi, Yasushi (January 2010). "歴史 を語る建物たち" [Buildings Tell of History] (PDF). Future Sight (in Japanese). pp. 30–31. Archived(PDF) from the original on 18 July 2014. Retrieved 15 July 2014.
Yamaguchi, pp. 30–31. Yamaguchi, Yasushi (January 2010). "歴史 を語る建物たち" [Buildings Tell of History] (PDF). Future Sight (in Japanese). pp. 30–31. Archived(PDF) from the original on 18 July 2014. Retrieved 15 July 2014.