http://www.blackbird.vcu.edu/v7n1/poetry/yamaguchi_r/index.htm>http://www.blackbird.vcu.edu/v7n1/poetry/yamaguchi_r/index.htm

http://42opus.com/authors/ryoyamaguchi>http://42opus.com/authors/ryoyamaguchi

http://www.failbetter.com/Archive.php>http://www.failbetter.com/Archive.php

http://www.wordforword.info/vol14/Yamaguchi.htm>http://www.wordforword.info/vol14/Yamaguchi.htm

http://newmichiganpress.com/8_2/yamaguchi.html>http://newmichiganpress.com/8_2/yamaguchi.html