http://book.asahi.com/reviews/column/2016082100013.html

http://天木直人.com/2016/08/27/post-5262/http://www.dailymotion.com/video/x4ql7be_

https://ryukyushimpo.jp/style/article/entry-345158.html https://ryukyushimpo.jp/style/article/entry-345355.html

http://www.shimotsuke.co.jp/news/tochigi/top/news/20160828/2431267

http://yanagihara.kenwa.or.jp/statement.html